irtrees: Estimation of Tree-Based Item Response Models

Helper functions and example data sets to facilitate the estimation of IRTree models from data with different shape and using different software.

Version: 1.0.0
Depends: R (≥ 4.0)
Imports: DiagrammeR, tidyr
Suggests: lme4, mirt, knitr, flextable, reshape2
Published: 2021-12-14
DOI: 10.32614/CRAN.package.irtrees
Author: Zhaojun Li, Ivailo Partchev and Paul De Boeck
Maintainer: Ivailo Partchev <partchev at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Citation: irtrees citation info
In views: Psychometrics
CRAN checks: irtrees results


Reference manual: irtrees.pdf
Vignettes: irtrees 1.0.0


Package source: irtrees_1.0.0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): irtrees_1.0.0.tgz, r-oldrel (arm64): irtrees_1.0.0.tgz, r-release (x86_64): irtrees_1.0.0.tgz, r-oldrel (x86_64): irtrees_1.0.0.tgz
Old sources: irtrees archive


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