catR: Procedures to Generate Patterns under Computerized Adaptive Testing

Generation of response patterns under computerized adaptive testing (CAT) framework, with the choice of several item response theory (IRT) models, starting rules, next item selection routines, stopping rules and ability estimators.

Version: 3.3
Depends: R (≥ 2.8.0)
Published: 2014-11-26
Author: David Magis (U Liege, Belgium), Gilles Raiche (UQAM, Canada), Juan Ramon Barrada (U Zaragoza, Spain)
Maintainer: David Magis <david.magis at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Citation: catR citation info
Materials: NEWS
In views: Psychometrics
CRAN checks: catR results


Reference manual: catR.pdf
Package source: catR_3.3.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: catR_3.3.tgz, r-oldrel: catR_3.3.tgz
OS X Mavericks binaries: r-release: catR_3.3.tgz
Old sources: catR archive

Reverse dependencies:

Reverse suggests: catIrt