psychotree: Recursive Partitioning Based on Psychometric Models

Recursive partitioning based on psychometric models, employing the general MOB algorithm (from package partykit) to obtain Bradley-Terry trees, Rasch trees, rating scale and partial credit trees, and MPT trees.

Version: 0.15-1
Depends: R (≥ 2.15.0), partykit (≥ 0.8-4), psychotools (≥ 0.4-0)
Imports: graphics, grDevices, grid, stats, Formula
Suggests: colorspace, strucchange
Published: 2016-09-09
Author: Achim Zeileis [aut, cre], Carolin Strobl [aut], Florian Wickelmaier [aut], Basil Komboz [aut], Julia Kopf [aut]
Maintainer: Achim Zeileis <Achim.Zeileis at>
License: GPL-2 | GPL-3
NeedsCompilation: no
Citation: psychotree citation info
Materials: NEWS
In views: Psychometrics
CRAN checks: psychotree results


Reference manual: psychotree.pdf
Vignettes: Using the raschtree Function for Detecting Differential Item Functioning in the Rasch Model
Package source: psychotree_0.15-1.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Mavericks binaries: r-release: psychotree_0.15-1.tgz, r-oldrel: psychotree_0.15-1.tgz
Old sources: psychotree archive

Reverse dependencies:

Reverse suggests: benchmark, ordBTL, partykit


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