psychotools: Infrastructure for Psychometric Modeling

Infrastructure for psychometric modeling such as data classes (for item response data and paired comparisons), basic model fitting functions (for Bradley-Terry, Rasch, partial credit, and rating scale models), and various datasets for illustration. Intended especially as a common building block for fitting psychometric mixture models in package "psychomix" and psychometric tree models in package "psychotree".

Version: 0.2-0
Depends: R (≥ 2.10.0)
Imports: graphics, stats
Published: 2014-02-03
Author: Achim Zeileis [aut, cre], Carolin Strobl [aut], Florian Wickelmaier [aut], Basil Abou El-Komboz [aut]
Maintainer: Achim Zeileis <Achim.Zeileis at>
License: GPL-2 | GPL-3
NeedsCompilation: yes
Materials: NEWS
In views: Psychometrics
CRAN checks: psychotools results


Reference manual: psychotools.pdf
Package source: psychotools_0.2-0.tar.gz
OS X binary: psychotools_0.2-0.tgz
Windows binary:
Old sources: psychotools archive

Reverse dependencies:

Reverse depends: benchmark, psychomix, psychotree
Reverse suggests: ordBTL, partykit