Corrected ROSALI scenario scripts

This commit is contained in:
2024-04-18 18:03:45 +02:00
parent b87f107009
commit 042a448656
12 changed files with 3788 additions and 3648 deletions

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@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}

View File

@ -27,338 +27,352 @@ local N = "50 100 200 300"
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt rename TT tt
if (`s'<=2) { if (`s'<=2) {
local nbitems=4 local nbitems=4
} }
else if (`s'<=4) { else if (`s'<=4) {
local nbitems=7 local nbitems=7
} }
else if (`s'<=12) { else if (`s'<=12) {
local nbitems=4 local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
} }
else { else {
local nbitems=7 local nbmoda=1
} }
if (mod(`s',2)==0) { if (`s'<=4) {
local nbmoda=3 local nbdif=0
} }
else { else if (`s'<=8) {
local nbmoda=1 local nbdif=1
} }
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
if (mod(`s',2)==0) {
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbitems'+`nbdif'+2
}
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
if (mod(`s',2)==1) {
local colna = "`colna'"+"dif_detect_`i' "
}
if (mod(`s',2)==0) {
local colna = "`colna'"+"dif_detect_`i' "+"dif_detect_unif_`i' "
}
}
if (`s'<=4) { forvalues i=1/`nbdif' {
local nbdif=0 local colna = "`colna'"+"real_dif_`i' "
} }
else if (`s'<=8) { local colna = "`colna'" + "beta " + "se_beta"
local nbdif=1
}
else if (`s'<=16) {
local nbdif=2
}
else {
local nbdif=3
}
* taillemat = Maximum J*M cases pour les items par et J*M cases pour les dif par + J cases pour les DIF detect + nbdif cases pour dif réel
local taillemat=2*`nbitems'*`nbmoda'+`nbitems'+`nbdif'+2
local colna=""
forvalues i=1/`nbitems' {
forvalues z=1/`nbmoda' {
local colna = "`colna'"+"item`i'_`z' "
local colna = "`colna'"+"dif_`i'_`z' "
}
}
forvalues i=1/`nbitems' {
local colna = "`colna'"+"dif_detect_`i' "
}
forvalues i=1/`nbdif' {
local colna = "`colna'"+"real_dif_`i' "
}
local colna = "`colna'" + "beta " + "se_beta"
mat outmat = J(1000,`taillemat',.) mat outmat = J(1000,`taillemat',.)
mat colnames outmat= `colna' mat colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'" di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 { forvalues k=1/1000 {
if (mod(`k',100)==0) { if (mod(`k',100)==0) {
di "`k'/1000" di "`k'/1000"
} }
preserve preserve
qui keep if replication==`k' qui keep if replication==`k'
* MERGE des modalités si non représentées * MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) { if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0 local com_z = 0
qui gen comz = 0 qui gen comz = 0
forvalues j = 1 / `nbitems' { forvalues j = 1 / `nbitems' {
local recoda_`j' = 0 local recoda_`j' = 0
qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j') qui tab item`j' if tt == 0, matrow(rect1_g0_`j') matcell(nbrt1_g0_`j')
local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1] local maxm`j'_t1_g0 = rect1_g0_`j'[r(r),1]
local minm`j'_t1_g0 = rect1_g0_`j'[1,1] local minm`j'_t1_g0 = rect1_g0_`j'[1,1]
qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j') qui tab item`j' if tt == 1, matrow(rect1_g1_`j') matcell(nbrt1_g1_`j')
local minm`j'_t1_g1 = rect1_g1_`j'[1,1] local minm`j'_t1_g1 = rect1_g1_`j'[1,1]
local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1] local maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1') local minm_`j' = min(`minm`j'_t1_g0',`minm`j'_t1_g1')
local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1') local maxm_`j' = max(`maxm`j'_t1_g0',`maxm`j'_t1_g1')
local nbm_`j' = `=`maxm_`j''-`minm_`j''' local nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 { if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1 local com_z = 1
} }
qui count if item`j' == 3 & tt == 0 qui count if item`j' == 3 & tt == 0
local mod3plac = r(N) local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1 qui count if item`j' == 3 & tt == 1
local mod3tt = r(N) local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt') local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 { if `nb_rn3'==0 {
qui replace comz = 1 qui replace comz = 1
} }
forvalues m = 0/`=`nbm_`j''-1' { forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0 qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N) local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1 qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N) local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1') local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 { if `nb_rn' == 0 {
qui replace comz = 1 qui replace comz = 1
local recoda_`j' = 1 local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' { if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m' qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' { else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1 local stop = 1
forvalues kk = 1/`=`m'' { forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m' qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m' *qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
if runiform()>0.5{ if runiform()>0.5{
local stop = 1 local stop = 1
forvalues kk = 1/`m' { forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0 qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1 qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 { if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m' qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
else { else {
local stop = 1 local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' { forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0 qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N) local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1 qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N) local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{ if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m' qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
else { else {
if `stop' != 0 { if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m' qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems' local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m' *qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged" *di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0 local stop = 0
} }
} }
} }
} }
} }
} }
} }
qui levelsof item`j' qui levelsof item`j'
local val = r(levels) local val = r(levels)
local checker: word 1 of `val' local checker: word 1 of `val'
local checker2: word 2 of `val' local checker2: word 2 of `val'
local checker3: word 3 of `val' local checker3: word 3 of `val'
local nummoda=r(r) local nummoda=r(r)
local nbmoda_`j'=`nummoda' local nbmoda_`j'=`nummoda'-1
if (`nummoda'==2) { if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1) qui recode item`j' (`checker'=0) (`checker2'=1)
} }
if (`nummoda'==3) { if (`nummoda'==3) {
if (`checker'!=0) { if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
} }
else if (`checker2'!=1) { else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2) qui recode item`j' (`checker2'=1) (`checker3'=2)
} }
else if (`checker3'!=2) { else if (`checker3'!=2) {
qui recode item`j' (`checker3'=2) qui recode item`j' (`checker3'=2)
} }
}
}
qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
}
}
* Stocker les items détectés +
* Définition des contraintes
local csrt=0
mat testm=J(1,1,0)
forvalues u=1/`nbdetect' {
local difitems`u'=resmat[1,`u']
local i=`difitems`u''
if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u''
local v=`u'+100
local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
qui `constrnt`u'_2'
} }
if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){ }
local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
qui `constrnt`u'' qui valuesof comz
local val = r(values)
local checker: word 1 of `val'
}
else {
forvalues jj=1/`nbitems' {
local nbmoda_`jj'=`nbmoda'
}
}
* ROSALI
qui rosali_original item1-item`nbitems' item1-item`nbitems', group(tt)
qui mat resmat=r(difitems)
local nbitems2 = 2*`nbitems'
* Calculer le nbre d'items détectés
local nbdetect = 0
local stop = 0
forvalues jj=1/`nbitems' {
if (`stop'==0) {
mat testm=J(1,1,.)
if (resmat[1,`jj']==testm[1,1]) {
local stop = 1
local nbdetect = `jj'-1
}
} }
} }
* Définition du modèle * Stocker les items détectés +
local mod "gsem " * Définition des contraintes
local conformula = "" local csrt=0
forvalues i=1/`nbitems' { mat testm=J(1,1,0)
local mod = "`mod'"+"(1.item`i'<-THETA@1)" forvalues u=1/`nbdetect' {
if (`nbmoda_`i''==3) { local difitems`u'=resmat[1,`u']
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)" local i=`difitems`u''
} if (`nbmoda_`i''==3 & resmat[1,`nbitems'+`i']!=testm[1,1]){
else if (`nbmoda_`i''==2) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`i'<-THETA@2)" qui `constrnt`u''
} local v=`u'+100
} local constrnt`u'_2 = "constraint `v' 3*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([3.item`i']_cons-([3.item`i']_cons+[3.item`i'] tt))"
forvalues u=1/`nbdetect' { qui `constrnt`u'_2'
local v=`difitems`u'' }
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)" if (`nbmoda_`i''==2 & resmat[1,`nbitems'+`i']!=testm[1,1]){
if (`nbmoda_`v''==3) { local constrnt`u' = "constraint `u' 2*([1.item`i']_cons-([1.item`i']_cons+[1.item`i'] tt))=([2.item`i']_cons-([2.item`i']_cons+[2.item`i'] tt))"
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)" qui `constrnt`u''
} }
else if (`nbmoda_`v''==2) { }
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* compilation * Définition du modèle
forvalues j=1/`nbitems' { local mod "gsem "
forvalues z=1/`nbmoda_`j'' { local conformula = ""
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")] forvalues i=1/`nbitems' {
} local mod = "`mod'"+"(1.item`i'<-THETA@1)"
} if (`nbmoda_`i''==3) {
* compilation DIF local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
forvalues u=1/`nbdetect' { }
local j=`difitems`u'' else if (`nbmoda_`i''==2) {
forvalues z=1/`nbmoda_`j'' { local mod = "`mod'"+"(2.item`i'<-THETA@2)"
mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")] }
mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j' }
} forvalues u=1/`nbdetect' {
} local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda_`v''==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
else if (`nbmoda_`v''==2) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)"
}
local w= 100+`u'
local unif_`u'=0
if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==3) {
local conformula = "`conformula'" + "`u' " + "`w' "
local unif_`u'=1
}
else if (resmat[1,`nbitems'+`v']!=testm[1,1] & `nbmoda_`v''==2) {
local conformula = "`conformula'" + "`u' "
local unif_`u'=1
}
}
if ("`conformula'" != "") {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(`conformula')"
}
else {
local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
}
*calcul du modèle
qui `mod'
mat V=r(table)
mat W=V[1..2,1...]
* Stocker les items de DIF originaux * compilation
if (`nbdif' > 0) { forvalues j=1/`nbitems' {
qui levelsof dif1 forvalues z=1/`nbmoda_`j'' {
local ldif1 = r(levels) mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
local diff1: word 1 of `ldif1' }
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1' }
if (`nbdif' > 1) { * compilation DIF
qui levelsof dif2 forvalues u=1/`nbdetect' {
local ldif2 = r(levels) local j=`difitems`u''
local diff2: word 1 of `ldif2' forvalues z=1/`nbmoda_`j'' {
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2' mat outmat[`k',colnumb(outmat,"dif_`u'_`z'")] = W[1,colnumb(W,"`z'.item`j':tt")]
if (`nbdif' > 2) { }
qui levelsof dif3 mat outmat[`k',colnumb(outmat,"dif_detect_`u'")] = `j'
local ldif3 = r(levels) if (mod(`s',2)==0) {
local diff3: word 1 of `ldif3' mat outmat[`k',colnumb(outmat,"dif_detect_unif_`u'")] = `unif_`u''
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3' }
} }
}
} * Stocker les items de DIF originaux
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")] if (`nbdif' > 0) {
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")] qui levelsof dif1
restore local ldif1 = r(levels)
local diff1: word 1 of `ldif1'
qui mat outmat[`k',colnumb(outmat,"real_dif_1")]=`diff1'
if (`nbdif' > 1) {
qui levelsof dif2
local ldif2 = r(levels)
local diff2: word 1 of `ldif2'
qui mat outmat[`k',colnumb(outmat,"real_dif_2")]=`diff2'
if (`nbdif' > 2) {
qui levelsof dif3
local ldif3 = r(levels)
local diff3: word 1 of `ldif3'
qui mat outmat[`k',colnumb(outmat,"real_dif_3")]=`diff3'
}
}
}
qui mat outmat[`k',colnumb(outmat,"beta")]=W[1,colnumb(W,"THETA:tt")]
qui mat outmat[`k',colnumb(outmat,"se_beta")]=W[2,colnumb(W,"THETA:tt")]
restore
}
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
} }
putexcel set "`path_res'/`s'`scen'_`Nn'_original.xls", sheet("outmat") replace
putexcel A1=matrix(outmat), colnames
}
}
}