irtoys: Simple interface to the estimation and plotting of IRT models

Provides a simple common interface to the estimation of item parameters in IRT models for binary responses with three different programs (ICL, BILOG-MG, and ltm, and a variety of functions useful with IRT models.

Version: 0.1.7
Depends: sm, ltm
Suggests: MASS
Published: 2014-01-23
Author: Ivailo Partchev
Maintainer: Ivailo Partchev <partchev at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Materials: README NEWS
In views: Psychometrics
CRAN checks: irtoys results


Reference manual: irtoys.pdf
Package source: irtoys_0.1.7.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: irtoys_0.1.7.tgz, r-oldrel: irtoys_0.1.7.tgz
OS X Mavericks binaries: r-release: irtoys_0.1.7.tgz
Old sources: irtoys archive

Reverse dependencies:

Reverse depends: CopyDetect, PerFit
Reverse suggests: catIrt