IRT Models for Polytomous and Continuous Item Responses

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Documentation for package ‘pcIRT’ version 0.2.4

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pcIRT-package IRT Models for Polytomous and Continuous Item Responses
CRSM Estimation of continuous rating scale model (Mueller, 1987)
dLRT Dimensionality test for the multidimensional polytomous Rasch model
DRM Estimation of dichotomous logistic Rasch model (Rasch, 1960)
extraversion Data set extraversion
gmc Graphical model check
gmc.aLR Graphical model check
gmc.CRSM Graphical model check
iccplot Item Characteristic Curve
iccplot.CRSM Item Characteristic Curve
iccplot.DRM Item Characteristic Curve
iccplot.MPRM Item Characteristic Curve
LRT Computes Andersen's Likelihood Ratio Test for the multidimensional polytomous Rasch model
LRT.DRM Computes Andersen's Likelihood Ratio Test for the multidimensional polytomous Rasch model
LRT.MPRM Computes Andersen's Likelihood Ratio Test for the multidimensional polytomous Rasch model
MPRM Estimation of Multidimensional Polytomous Rasch model (Rasch, 1961)
pcIRT IRT Models for Polytomous and Continuous Item Responses
person_par Estimation of person parameters
person_par.CRSM Estimation of person parameters
person_par.MPRM Estimation of person parameters
print.aLR Computes Andersen's Likelihood Ratio Test for the multidimensional polytomous Rasch model
print.CRSM Estimation of continuous rating scale model (Mueller, 1987)
print.dLR Dimensionality test for the multidimensional polytomous Rasch model
print.DRM Estimation of dichotomous logistic Rasch model (Rasch, 1960)
print.MPRM Estimation of Multidimensional Polytomous Rasch model (Rasch, 1961)
print.wt Test for the scoring weights in the unidimensional polytomous Rasch model
reason.test Data set META reasoning test.
simCRSM simulate data according to CRSM
simDRM simulate data according to Rasch model
simMPRM simulate data according to MPRM
summary.aLR Computes Andersen's Likelihood Ratio Test for the multidimensional polytomous Rasch model
summary.CRSM Estimation of continuous rating scale model (Mueller, 1987)
summary.dLR Dimensionality test for the multidimensional polytomous Rasch model
summary.DRM Estimation of dichotomous logistic Rasch model (Rasch, 1960)
summary.MPRM Estimation of Multidimensional Polytomous Rasch model (Rasch, 1961)
summary.wt Test for the scoring weights in the unidimensional polytomous Rasch model
weight_test Test for the scoring weights in the unidimensional polytomous Rasch model