sirt: Supplementary Item Response Theory Models

Supplementary item response theory models to complement existing functions in R, including multidimensional compensatory and noncompensatory IRT models, MCMC for hierarchical IRT models and testlet models, NOHARM, Rasch copula model, faceted and hierarchical rater models, ordinal IRT model (ISOP), DETECT statistic, local structural equation modeling (LSEM), mean and covariance structure modelling for multivariate normally distributed data.

Version: 1.12-2
Depends: R (≥ 2.15.0), CDM (≥ 5.0), TAM (≥ 1.99)
Imports: coda, combinat, graphics, gtools, ic.infer, igraph, lavaan, lavaan.survey, MASS, MCMCpack, Matrix, methods, mirt, mvtnorm, pbivnorm, plyr, psych, Rcpp, sfsmisc, sm, stats, survey, utils
LinkingTo: Rcpp, RcppArmadillo
Suggests: miceadds
Published: 2016-07-19
Author: Alexander Robitzsch [aut,cre]
Maintainer: Alexander Robitzsch <robitzsch at>
BugReports: NA
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Materials: NEWS
In views: Psychometrics
CRAN checks: sirt results


Reference manual: sirt.pdf
Package source: sirt_1.12-2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Mavericks binaries: r-release: sirt_1.12-2.tgz, r-oldrel: sirt_1.12-2.tgz
Old sources: sirt archive

Reverse dependencies:

Reverse imports: immer, miceadds
Reverse suggests: CDM, mirt, TAM