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ROSALI analysis script updated for n=50

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Corentin Choisy 9 months ago
parent 09245c57d0
commit c66d3bae32
2 changed files with 364 additions and 198 deletions
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198
Scripts/Analysis/DIF-ROSALI/dif_rosali.do
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*=================================================================================================================================================
* Date : 2024-01-23
* Stata version : Stata 18 SE
*
* This program analyses simulated data accounting for DIF through a partial credit model
*
* ado-files needed : - pcm, rosali (version 5.5 October 25, 2023, available on gitea)
*
*
*================================================================================================================================================
adopath+"/home/corentin/Documents/These/Recherche/ROSALI-SIM/Modules/rosali_custom"
local N = "100 200 300"
local ss = "1 2 3 4 5 6 7 8 9 10 11 1 13 14 15 16 17 18 19 20"
foreach s in `ss' {
foreach Nnn in `N' {
local Nn = `Nnn'
local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'"
if (`s'<=4) {
local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/NoDIF/N`Nn'"
}
local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/ROSALI-DIF/N`Nn'"
local scenarios = "A B C D E F G"
foreach scen in `scenarios' {
clear
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt
if (`s'<=2) {
local nbitems=4
}
else if (`s'<=4) {
local nbitems=7
}
else if (`s'<=12) {
local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
}
else {
local nbmoda=1
}
if (`s'<=4) {
local nbdif=0
}
else if (`s'<=8) {
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 colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 {
if (mod(`k',100)==0) {
di "`k'/1000"
}
preserve
qui keep if replication==`k'
* 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'==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'
}
}
* Définition du modèle
local mod "gsem "
local conformula = ""
forvalues i=1/`nbitems' {
local mod = "`mod'"+"(1.item`i'<-THETA@1)"
if (`nbmoda'==3) {
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
}
}
forvalues u=1/`nbdetect' {
local v=`difitems`u''
local mod = "`mod'"+"(1.item`v'<-THETA@1 tt)"
if (`nbmoda'==3) {
local mod = "`mod'"+"(2.item`v'<-THETA@2 tt)(3.item`v'<-THETA@3 tt)"
}
local w= 100+`u'
if (resmat[1,`nbitems'+`v']!=testm[1,1]) {
local conformula = "`conformula'" + "`u' " + "`w' "
}
}
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
forvalues j=1/`nbitems' {
forvalues z=1/`nbmoda' {
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
}
}
* compilation DIF
forvalues u=1/`nbdetect' {
local j=`difitems`u''
forvalues z=1/`nbmoda' {
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'
}
}
* Stocker les items de DIF originaux
if (`nbdif' > 0) {
qui levelsof dif1
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
}
}
}

364
Scripts/Analysis/DIF-ROSALI/pcm_dif_rosali.do
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*=================================================================================================================================================
* Date : 2024-01-23
* Stata version : Stata 18 SE
*
* This program analyses simulated data accounting for DIF through a partial credit model
*
* ado-files needed : - pcm, rosali (version 5.5 October 25, 2023, available on gitea)
*
*
*================================================================================================================================================
adopath+"/home/corentin/Documents/These/Recherche/ROSALI-SIM/Modules/rosali_custom"
local N = "50 100 200 300"
local ss = "1 2 3 4 5 6 7 8 9 10 11 1 13 14 15 16 17 18 19 20"
foreach s in `ss' {
foreach Nnn in `N' {
local Nn = `Nnn'
local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'"
if (`s'<=4) {
local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/NoDIF/N`Nn'"
}
local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/ROSALI-DIF/N`Nn'"
local scenarios = "A B C D E F G"
foreach scen in `scenarios' {
clear
import delim "`path_data'/scenario_`s'`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
rename TT tt
if (`s'<=2) {
local nbitems=4
}
else if (`s'<=4) {
local nbitems=7
}
else if (`s'<=12) {
local nbitems=4
}
else {
local nbitems=7
}
if (mod(`s',2)==0) {
local nbmoda=3
}
else {
local nbmoda=1
}
if (`s'<=4) {
local nbdif=0
}
else if (`s'<=8) {
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 colnames outmat= `colna'
di "Scenario `s'`scen' / N=`Nnn'"
forvalues k=1/1000 {
if (mod(`k',100)==0) {
di "`k'/1000"
}
preserve
qui keep if replication==`k'
* MERGE des modalités si non représentées
if (`nbmoda'>1 & `Nn'==50) {
local com_z = 0
qui gen comz = 0
forvalues j = 1 / `nbitems' {
local recoda_`j' = 0
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 minm`j'_t1_g0 = rect1_g0_`j'[1,1]
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 maxm`j'_t1_g1 = rect1_g1_`j'[r(r),1]
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 nbm_`j' = `=`maxm_`j''-`minm_`j'''
if `minm_`j'' != 0 & `com_z' == 0 {
local com_z = 1
}
qui count if item`j' == 3 & tt == 0
local mod3plac = r(N)
qui count if item`j' == 3 & tt == 1
local mod3tt = r(N)
local nb_rn3 = min(`mod3plac',`mod3tt')
if `nb_rn3'==0 {
qui replace comz = 1
}
forvalues m = 0/`=`nbm_`j''-1' {
qui count if item`j' == `m' & tt == 0
local nb_rn1_g0 = r(N)
qui count if item`j' == `m' & tt == 1
local nb_rn1_g1 = r(N)
local nb_rn = min(`nb_rn1_g0',`nb_rn1_g1')
if `nb_rn' == 0 {
qui replace comz = 1
local recoda_`j' = 1
if `m' == 0 | `m' < `minm`j'_t1_g0' | `m' < `minm`j'_t1_g1' {
local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'+`kk'' if item`j'==`m'
local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'+`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0
}
}
}
else if `m' == `=`nbm_`j''-1' | `m' >= `maxm`j'_t1_g1' {
local stop = 1
forvalues kk = 1/`=`m'' {
qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m' - `kk'' if item`j'==`m'
local zzz=`j'+`nbitems'
*qui replace item`zzz'= `=`m' - `kk'' if item`zzz'==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0
}
}
}
else {
if runiform()>0.5{
local stop = 1
forvalues kk = 1/`m' {
qui count if item`j' == `=`m' - `kk'' & tt == 0
local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' - `kk'' & tt == 1
local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0 {
qui replace item`j'= `=`m'-`kk'' if item`j'==`m'
local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m'-`kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0
}
}
}
else {
local stop = 1
forvalues kk = 1/`=`nbm_`j''-`m'' {
qui count if item`j' == `=`m' + `kk'' & tt == 0
local v`kk'1_0 = r(N)
qui count if item`j' == `=`m' + `kk'' & tt == 1
local v`kk'1_1 = r(N)
if (`v`kk'1_0' != 0 | `v`kk'1_1' != 0) & `stop' != 0{
qui replace item`j'=`=`m' + `kk'' if item`j'==`m'
local zzz=`j'+`nbitems'
*qui replace item`zzz'=`=`m' + `kk'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0
}
else {
if `stop' != 0 {
qui replace item`j'= `nbm_`j'' if item`j'==`m'
local zzz=`j'+`nbitems'
*qui replace item`zzz'= `nbm_`j'' if item``=`j'+`nbitems'''==`m'
*di "WARNING SCENARIO `k': items `j': answers `m' and `=`m'+`kk'' merged"
local stop = 0
}
}
}
}
}
}
}
qui levelsof item`j'
local val = r(levels)
local checker: word 1 of `val'
local checker2: word 2 of `val'
local checker3: word 3 of `val'
local nummoda=r(r)
local nbmoda_`j'=`nummoda'
if (`nummoda'==2) {
qui recode item`j' (`checker'=0) (`checker2'=1)
}
if (`nummoda'==3) {
if (`checker'!=0) {
qui recode item`j' (`checker'=0) (`checker2'=1) (`checker3'=2)
}
else if (`checker2'!=1) {
qui recode item`j' (`checker2'=1) (`checker3'=2)
}
else if (`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''
}
}
* Définition du modèle
local mod "gsem "
local conformula = ""
forvalues i=1/`nbitems' {
local mod = "`mod'"+"(1.item`i'<-THETA@1)"
if (`nbmoda_`i''==3) {
local mod = "`mod'"+"(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
}
else if (`nbmoda_`i''==2) {
local mod = "`mod'"+"(2.item`i'<-THETA@2)"
}
}
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'
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
forvalues j=1/`nbitems' {
forvalues z=1/`nbmoda_`j'' {
mat outmat[`k',colnumb(outmat,"item`j'_`z'")] = W[1,colnumb(W,"`z'.item`j':_cons")]
}
}
* compilation DIF
forvalues u=1/`nbdetect' {
local j=`difitems`u''
forvalues z=1/`nbmoda_`j'' {
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'
}
}
* Stocker les items de DIF originaux
if (`nbdif' > 0) {
qui levelsof dif1
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
}
}
}
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