Attempt at solving non-exhaustive scenarios for n=50
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** Scenario 8: J = 4 items / M = 4 modalities / DIF size 0.5
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local N = "50"
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foreach Nnn in `N' {
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local Nn = `Nnn'
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local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'"
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local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/DIF/N`Nn'"
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local scenarios = "A B C D E F G"
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foreach scen in `scenarios' {
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clear
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import delim "`path_data'/scenario_8`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
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rename TT tt
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* Matrice de taille 1000 * 4 items + 1 DIF + beta + std beta + 1 dif
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local nbitems = 4
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local nbdif = 1
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local taillemat = 3*`nbitems'+`nbdif'+3+2
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mat outmat = J(1000,`taillemat',.)
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mat colnames outmat = "item1_1" "item1_2" "item1_3" "item2_1" "item2_2" "item2_3" "item3_1" "item3_2" "item3_3" "item4_1" "item4_2" "item4_3" "dif1_1" "dif1_2" "dif1_3" "beta" "se_beta" "dif_item_1"
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di "Scenario 8`scen' / N=`Nnn'"
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forvalues k=1/1000 {
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if (mod(`k',100)==0) {
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di "`k'/1000"
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}
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preserve
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qui keep if replication==`k'
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// replications sans problèmes
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if (1==1-inlist(`k',scenar_prob)) {
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local difitems1=dif1
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forvalues i=1/`nbitems' {
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if (`i'==`difitems1') {
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local constrnt = "constraint 1 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))"
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local constrnt2 = "constraint 2 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))"
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}
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}
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local mod "gsem "
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forvalues i=1/`nbitems' {
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if (`i'==`difitems1') {
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local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)(2.item`i'<-THETA@2 tt)(3.item`i'<-THETA@3 tt)"
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}
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else {
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local mod = "`mod'"+"(1.item`i'<-THETA@1)(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
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}
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}
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local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(1 2)"
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qui `constrnt'
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qui `constrnt2'
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qui `mod'
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mat V=r(table)
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mat W=V[1..2,1...]
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forvalues j=1/`nbitems' {
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if (`j'<`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+3] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+5] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+7] // items avant le premier dif
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}
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else if (`j'==`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+4] // items du le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+7] // items du le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items du le premier dif }
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}
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else {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+6] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+8] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items avant le premier dif
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}
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}
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mat outmat[`k',3*`nbitems'+1] = W[1,7*(`difitems1'-1)+2] // coef de dif
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mat outmat[`k',3*`nbitems'+2] = W[1,7*(`difitems1'-1)+5] // coef de dif
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mat outmat[`k',3*`nbitems'+3] = W[1,7*(`difitems1'-1)+8] // coef de dif
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mat outmat[`k',3*`nbitems'+4] = W[1,7*`nbitems'+4] // beta
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mat outmat[`k',3*`nbitems'+5] = W[2,7*`nbitems'+4] // se beta
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mat outmat[`k',3*`nbitems'+6] = `difitems1' // numéro item de dif
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restore
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}
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// replications avec 3 mod
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if (1==inlist(`k',scenar_prob_3)) {
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local difitems1=dif1
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forvalues i=1/`nbitems' {
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if (`i'==`difitems1') {
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local constrnt = "constraint 1 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))"
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}
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}
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local mod "gsem "
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forvalues i=1/`nbitems' {
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if (`i'==`difitems1') {
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local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)(2.item`i'<-THETA@2 tt)"
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}
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else {
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local mod = "`mod'"+"(1.item`i'<-THETA@1)(2.item`i'<-THETA@2)"
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}
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}
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local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(1)"
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qui `constrnt'
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qui `mod'
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mat V=r(table)
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mat W=V[1..2,1...]
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forvalues j=1/`nbitems' {
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if (`j'<`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+3] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+5] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+7] // items avant le premier dif
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}
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else if (`j'==`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+4] // items du le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+7] // items du le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items du le premier dif }
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}
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else {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+6] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+8] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items avant le premier dif
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}
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}
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mat outmat[`k',3*`nbitems'+1] = W[1,7*(`difitems1'-1)+2] // coef de dif
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mat outmat[`k',3*`nbitems'+2] = W[1,7*(`difitems1'-1)+5] // coef de dif
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mat outmat[`k',3*`nbitems'+3] = W[1,7*(`difitems1'-1)+8] // coef de dif
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mat outmat[`k',3*`nbitems'+4] = W[1,7*`nbitems'+4] // beta
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mat outmat[`k',3*`nbitems'+5] = W[2,7*`nbitems'+4] // se beta
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mat outmat[`k',3*`nbitems'+6] = `difitems1' // numéro item de dif
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restore
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}
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// replications avec 2 mod
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if (1==inlist(`k',scenar_prob_2)) {
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local difitems1=dif1
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local mod "gsem "
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forvalues i=1/`nbitems' {
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if (`i'==`difitems1') {
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local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)"
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}
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else {
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local mod = "`mod'"+"(1.item`i'<-THETA@1)"
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}
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}
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local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent"
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qui `mod'
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mat V=r(table)
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mat W=V[1..2,1...]
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forvalues j=1/`nbitems' {
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if (`j'<`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+3] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+5] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+7] // items avant le premier dif
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}
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else if (`j'==`difitems1') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+4] // items du le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+7] // items du le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items du le premier dif }
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}
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else {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+6] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+8] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items avant le premier dif
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}
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}
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mat outmat[`k',3*`nbitems'+1] = W[1,7*(`difitems1'-1)+2] // coef de dif
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mat outmat[`k',3*`nbitems'+2] = W[1,7*(`difitems1'-1)+5] // coef de dif
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mat outmat[`k',3*`nbitems'+3] = W[1,7*(`difitems1'-1)+8] // coef de dif
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mat outmat[`k',3*`nbitems'+4] = W[1,7*`nbitems'+4] // beta
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mat outmat[`k',3*`nbitems'+5] = W[2,7*`nbitems'+4] // se beta
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mat outmat[`k',3*`nbitems'+6] = `difitems1' // numéro item de dif
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restore
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}
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putexcel set "`path_res'/out/8`scen'_`Nn'.xls", sheet("outmat") replace
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putexcel A1=matrix(outmat), colnames
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}
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}
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}
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** Scenario 10: J = 4 items / M = 4 modalities / DIF size 0.3 x2
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local N = "50"
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foreach Nnn in `N' {
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local Nn = `Nnn'
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local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'"
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local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/DIF/N`Nn'"
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local scenarios = "A B C D E F G"
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foreach scen in `scenarios' {
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clear
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import delim "`path_data'/scenario_10`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear
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rename TT tt
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* Matrice de taille 1000 * 4 items + 1 DIF + beta + std beta + 1 dif
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local nbitems = 4
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local nbdif = 2
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local taillemat = 3*`nbitems'+6+2+`nbdif'
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mat outmat = J(1000,`taillemat',.)
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mat colnames outmat = "item1_1" "item1_2" "item1_3" "item2_1" "item2_2" "item2_3" "item3_1" "item3_2" "item3_3" "item4_1" "item4_2" "item4_3" "dif1_1" "dif1_2" "dif1_3" "dif2_1" "dif2_2" "dif2_3" "beta" "se_beta" "dif_item_1" "dif_item_2"
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di "Scenario 10`scen' / N=`Nnn'"
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forvalues k=1/1000 {
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if (mod(`k',100)==0) {
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di "`k'/1000"
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}
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preserve
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qui keep if replication==`k'
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local difitems1=dif1
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local difitems2=dif2
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if (`difitems1'<`difitems2') {
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local difitemsmin `difitems1'
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local difitemsmax `difitems2'
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}
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else {
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local difitemsmin `difitems2'
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local difitemsmax `difitems1'
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}
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forvalues i=1/`nbitems' {
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if (`i'==`difitemsmin') {
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local constrnt = "constraint 1 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))"
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local constrnt2 = "constraint 2 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))"
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}
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}
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forvalues i=1/`nbitems' {
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if (`i'==`difitemsmax') {
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local constrn3 = "constraint 3 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))"
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local constrnt4 = "constraint 4 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))"
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}
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}
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local mod "gsem "
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forvalues i=1/`nbitems' {
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if (`i'==`difitemsmin' | `i'==`difitemsmax') {
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local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)(2.item`i'<-THETA@2 tt)(3.item`i'<-THETA@3 tt)"
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}
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else {
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local mod = "`mod'"+"(1.item`i'<-THETA@1)(2.item`i'<-THETA@2)(3.item`i'<-THETA@3)"
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}
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}
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local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent constraint(1 2 3 4)"
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qui `constrnt'
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qui `constrnt2'
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qui `constrnt3'
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qui `constrnt4'
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qui `mod'
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mat V=r(table)
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mat W=V[1..2,1...]
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forvalues j=1/`nbitems' {
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if (`j'<`difitemsmin') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+3] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+5] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+7] // items avant le premier dif
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}
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else if (`j'==`difitemsmin') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+4] // items du le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+7] // items du le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items du le premier dif }
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}
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else if (`j'<`difitemsmax') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+6] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+8] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+10] // items avant le premier dif
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}
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else if (`j'==`difitemsmax') {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+7] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+10] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+13] // items avant le premier dif
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}
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else {
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mat outmat[`k',3*`j'-2] = W[1,7*(`j'-1)+9] // items avant le premier dif
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mat outmat[`k',3*`j'-1] = W[1,7*(`j'-1)+11] // items avant le premier dif
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mat outmat[`k',3*`j'] = W[1,7*(`j'-1)+13] // items avant le premier dif
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}
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}
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mat outmat[`k',3*`nbitems'+1] = W[1,7*(`difitemsmin'-1)+2] // coef de dif
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mat outmat[`k',3*`nbitems'+2] = W[1,7*(`difitemsmin'-1)+5] // coef de dif
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mat outmat[`k',3*`nbitems'+3] = W[1,7*(`difitemsmin'-1)+8] // coef de dif
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mat outmat[`k',3*`nbitems'+4] = W[1,7*(`difitemsmax'-1)+5] // coef de dif
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mat outmat[`k',3*`nbitems'+5] = W[1,7*(`difitemsmax'-1)+8] // coef de dif
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mat outmat[`k',3*`nbitems'+6] = W[1,7*(`difitemsmax'-1)+11] // coef de dif
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mat outmat[`k',3*`nbitems'+7] = W[1,7*`nbitems'+7] // beta
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mat outmat[`k',3*`nbitems'+8] = W[2,7*`nbitems'+7] // se beta
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mat outmat[`k',3*`nbitems'+9] = `difitemsmin' // numéro item de dif
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mat outmat[`k',3*`nbitems'+10] = `difitemsmax' // numéro item de dif
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restore
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}
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putexcel set "`path_res'/out/10`scen'_`Nn'.xls", sheet("outmat") replace
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putexcel A1=matrix(outmat), colnames
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}
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}
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