irt: Item Response Theory and Computerized Adaptive Testing Functions

A collection of Item Response Theory (IRT) and Computerized Adaptive Testing (CAT) functions that are used in psychometrics.

Version: 0.2.9
Depends: methods
Imports: Rcpp (≥ 1.0.1), parallel
LinkingTo: Rcpp
Suggests: ggplot2, markdown, knitr, rmarkdown, tibble, pillar
Published: 2024-02-20
DOI: 10.32614/CRAN.package.irt
Author: Emre Gonulates ORCID iD [aut, cre]
Maintainer: Emre Gonulates <egonulates at>
License: AGPL (≥ 3)
NeedsCompilation: yes
Language: en-US
Materials: NEWS
CRAN checks: irt results


Reference manual: irt.pdf
Vignettes: Itempool Objects
Psychometric Models in 'irt' Package
Quick Start Guide


Package source: irt_0.2.9.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): irt_0.2.9.tgz, r-oldrel (arm64): irt_0.2.9.tgz, r-release (x86_64): irt_0.2.9.tgz, r-oldrel (x86_64): irt_0.2.9.tgz
Old sources: irt archive


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