Package: pcIRT 0.2.3

Christine Hohensinn

pcIRT: IRT Models for Polytomous and Continuous Item Responses

Estimates the multidimensional polytomous Rasch model (Rasch, 1961) and the Continuous Rating Scale model (Mueller, 1987).

Authors:Christine Hohensinn [cre,aut]

# Install 'pcIRT' in R:

install.packages('pcIRT', repos = c('https://christinehohensinn.r-universe.dev', 'https://cloud.r-project.org'))

Uses libs:

Datasets:

On CRAN:

Last updated 7 years agofrom:e06b61624d. Checks:OK: 1 ERROR: 8. Indexed: yes.

Dependencies:combinat Rcpp

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