diff --git a/RProject/pcm.R b/RProject/pcm.R index 5aad4fc..b831698 100644 --- a/RProject/pcm.R +++ b/RProject/pcm.R @@ -130,7 +130,7 @@ replicate_pcm_analysis<- function(df=NULL,treatment='TT',irtmodel='PCM2',method= j <- max(df$item1) if(j==1) { return(replicate_pcm_analysis_m2(df=NULL,treatment='TT',irtmodel='PCM2',method='MML',sequence='replication',truebeta=0,eff.size=0,difsize=NA,nbdif=0)) - } else if (j==3) { + } else { return(replicate_pcm_analysis_m4(df=NULL,treatment='TT',irtmodel='PCM2',method='MML',sequence='replication',truebeta=0,eff.size=0,difsize=NA,nbdif=0)) } } diff --git a/Scripts/Analysis/NoDIF/pcm_dif_100.do b/Scripts/Analysis/NoDIF/pcm_dif_100.do new file mode 100644 index 0000000..b15fbee --- /dev/null +++ b/Scripts/Analysis/NoDIF/pcm_dif_100.do @@ -0,0 +1,148 @@ + *================================================================================================================================================= + * 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 (version 5.5 October 25, 2023, available on gitea) + * + * outputs : for N=100 + * + * + *================================================================================================================================================ + + * Load pcm.ado + adopath+"/home/corentin/Documents/These/Recherche/Simulations/Modules/" + + *========================== + * Scenarios with : J=4 + *========================== + + ** Scenario 5: J = 4 items / M = 2 modalities / DIF size 0.3 + local N = "100 200 300" + foreach Nnn in `N' { + local Nn = `Nnn' + local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'" + local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/DIF/N`Nn'" + local scenarios = "A B C D E F G" + foreach scen in `scenarios' { + clear + import delim "`path_data'/scenario_5`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear + rename TT tt + + * Matrice de taille 1000 * 4 items + 1 DIF + beta + std beta + 1 dif + local nbitems = 4 + local nbdif = 1 + local taillemat = `nbitems'+`nbdif'+3 + mat outmat = J(1000,`taillemat',.) + mat colnames outmat = "item1" "item2" "item3" "item4" "dif1" "beta" "se_beta" "dif_item_1" + di "Scenario 5`scen' / N=`Nnn'" + forvalues k=1/1000 { + if (mod(`k',100)==0) { + di "`k'/1000" + } + preserve + qui keep if replication==`k' + local difitems1=dif1 + local mod "gsem " + forvalues i=1/`nbitems' { + if (`i'==`difitems1') { + local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)" + } + else { + local mod = "`mod'"+"(1.item`i'<-THETA@1)" + } + } + local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent" + qui `mod' + mat V=r(table) + mat W=V[1..2,1...] + forvalues j=1/`nbitems' { + if (`j'<`difitems1') { + mat outmat[`k',`j'] = W[1,3*`j'] // items avant le premier dif + } + else { + mat outmat[`k',`j'] = W[1,1+3*`j'] // items après le premier dif + } + } + mat outmat[`k',`nbitems'+1] = W[1,3*`difitems1'-1] // coef de dif + mat outmat[`k',`nbitems'+2] = W[1,3*`nbitems'+2] // beta + mat outmat[`k',`nbitems'+3] = W[2,3*`nbitems'+2] // se beta + mat outmat[`k',`nbitems'+4] = `difitems1' // numéro item de dif + restore + } + putexcel set "`path_res'/out/5`scen'_`Nn'.xls", sheet("outmat") replace + putexcel A1=matrix(outmat), colnames +} +} + + + +** Scenario 6: J = 4 items / M = 4 modalities / DIF size 0.3 +local N = "100 200 300" +foreach Nnn in `N' { +local Nn = `Nnn' +local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'" +local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/DIF/N`Nn'" +local scenarios = "A B C D E F G" +foreach scen in `scenarios' { +clear +import delim "`path_data'/scenario_6`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear +rename TT tt + +* Matrice de taille 1000 * 4 items + 1 DIF + beta + std beta + 1 dif +local nbitems = 4 +local nbdif = 1 +local taillemat = 3*`nbitems'+`nbdif'+3+2 +mat outmat = J(1000,`taillemat',.) +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" +di "Scenario 6`scen' / N=`Nnn'" +forvalues k=1/1000 { + if (mod(`k',100)==0) { + di "`k'/1000" + } + preserve + qui keep if replication==`k' + local difitems1=dif1 + local mod "gsem " + forvalues i=1/`nbitems' { + if (`i'==`difitems1') { + local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)(2.item`i'<-THETA@2 tt)(3.item`i'<-THETA@3 tt)" + } + else { + local mod = "`mod'"+"(1.item`i'<-THETA@1)(2.item`i'<-THETA@2)(2.item`i'<-THETA@2)" + } + } + local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent" + qui `mod' + mat V=r(table) + mat W=V[1..2,1...] + forvalues j=1/`nbitems' { + if (`j'<`difitems1') { + mat outmat[`k',3*`j'-2] = W[1,6*`j'-3] // items avant le premier dif + mat outmat[`k',3*`j'-1] = W[1,6*`j'-1] // items avant le premier dif + mat outmat[`k',3*`j'] = W[1,6*`j'] // items avant le premier dif + } + else if (`j'==`difitems1') { + mat outmat[`k',3*`j'-2] = W[1,6*`j'-2] // items du le premier dif + mat outmat[`k',3*`j'-1] = W[1,6*`j'+1] // items du le premier dif + mat outmat[`k',3*`j'] = W[1,6*`j'+4] // items du le premier dif } + } + else { + mat outmat[`k',3*`j'-2] = W[1,6*`j'+1] // items apres le premier dif + mat outmat[`k',3*`j'-1] = W[1,6*`j'+3] // items apres le premier dif + mat outmat[`k',3*`j'] = W[1,6*`j'+4] // items apres le premier dif } + } + } + mat outmat[`k',3*`nbitems'+1] = W[1,6*`difitems1'-4] // coef de dif + mat outmat[`k',3*`nbitems'+2] = W[1,6*`difitems1'-1] // coef de dif + mat outmat[`k',3*`nbitems'+3] = W[1,6*`difitems1'+2] // coef de dif + mat outmat[`k',3*`nbitems'+4] = W[1,6*`nbitems'+5] // beta + mat outmat[`k',3*`nbitems'+5] = W[2,6*`nbitems'+5] // se beta + mat outmat[`k',3*`nbitems'+6] = `difitems1' // numéro item de dif + restore +} +putexcel set "`path_res'/out/6`scen'_`Nn'.xls", sheet("outmat") replace +putexcel A1=matrix(outmat), colnames +} +} diff --git a/Scripts/Analysis/NoDIF/pcm_nodif_100.do b/Scripts/Analysis/NoDIF/pcm_nodif_100.do deleted file mode 100644 index c2c3f63..0000000 --- a/Scripts/Analysis/NoDIF/pcm_nodif_100.do +++ /dev/null @@ -1,77 +0,0 @@ - *================================================================================================================================================= - * 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 (version 5.5 October 25, 2023, available on gitea) - * - * outputs : for N=100 - * - * - *================================================================================================================================================ - - * Load pcm.ado - adopath+"/home/corentin/Documents/These/Recherche/Simulations/Modules/" - - *========================== - * Scenarios with : J=4 - *========================== - - ** Scenario 5: J = 4 items / M = 2 modalities / DIF size 0.3 - local N = "100 200 300" - foreach Nnn in `N' { - local Nn = `Nnn' - local path_data = "/home/corentin/Documents/These/Recherche/Simulations/Data/DIF/N`Nn'" - local path_res = "/home/corentin/Documents/These/Recherche/Simulations/Analysis/DIF/N`Nn'" - local scenarios = "A B C D E" - foreach scen in `scenarios' { - clear - import delim "`path_data'/scenario_5`scen'_`Nn'.csv", encoding(ISO-8859-2) case(preserve) clear - rename TT tt - - * Matrice de taille 1000 * 4 items + 1 DIF + beta + std beta + 1 dif - local nbitems = 4 - local nbdif = 1 - local taillemat = `nbitems'+`nbdif'+3 - mat outmat = J(1000,`taillemat',.) - mat colnames outmat = "item1" "item2" "item3" "item4" "dif1" "beta" "se_beta" "dif_item_1" - di "Scenario 5`scen' / N=`Nnn'" - forvalues k=1/1000 { - if (mod(`k',100)==0) { - di "`k'/1000" - } - preserve - qui keep if replication==`k' - local difitems1=dif1 - local mod "gsem " - forvalues i=1/`nbitems' { - if (`i'==`difitems1') { - local mod = "`mod'"+"(1.item`i'<-THETA@1 tt)" - } - else { - local mod = "`mod'"+"(1.item`i'<-THETA@1)" - } - } - local mod = "`mod'" + "(THETA<-tt), mlogit tol(0.01) iterate(500) latent(THETA) nocapslatent" - qui `mod' - mat V=r(table) - mat W=V[1..2,1...] - forvalues j=1/`nbitems' { - if (`j'<`difitems1') { - mat outmat[`k',`j'] = W[1,3*`j'] // items avant le premier dif - } - else { - mat outmat[`k',`j'] = W[1,1+3*`j'] // items après le premier dif - } - } - mat outmat[`k',`nbitems'+1] = W[1,3*`difitems1'-1] // coef de dif - mat outmat[`k',`nbitems'+2] = W[1,3*`nbitems'+2] // beta - mat outmat[`k',`nbitems'+3] = W[2,3*`nbitems'+2] // se beta - mat outmat[`k',`nbitems'+4] = `difitems1' // numéro item de dif - restore - } - putexcel set "`path_res'/out/5`scen'_`Nn'.xls", sheet("outmat") replace - putexcel A1=matrix(outmat), colnames -} -}