xxIRT: Item Response Theory and Computer-Based Testing in R

A suite of psychometric analysis tools for research and operation, including: (1) computation of probability, information, and likelihood for the 3PL, GPCM, and GRM; (2) parameter estimation using joint or marginal likelihood estimation method; (3) simulation of computerized adaptive testing using built-in or customized algorithms; (4) assembly and simulation of multistage testing. The full documentation and tutorials are at <https://github.com/xluo11/xxIRT>.

Version: 2.1.2
Depends: R (≥ 3.5.0)
Imports: ggplot2, glpkAPI, lpSolveAPI, reshape2, stats
Published: 2019-03-22
DOI: 10.32614/CRAN.package.xxIRT
Author: Xiao Luo [aut, cre]
Maintainer: Xiao Luo <xluo1986 at gmail.com>
BugReports: https://github.com/xluo11/xxIRT/issues
License: GPL (≥ 3)
URL: https://github.com/xluo11/xxIRT
NeedsCompilation: no
In views: Psychometrics
CRAN checks: xxIRT results


Reference manual: xxIRT.pdf


Package source: xxIRT_2.1.2.tar.gz
Windows binaries: r-devel: xxIRT_2.1.2.zip, r-release: xxIRT_2.1.2.zip, r-oldrel: xxIRT_2.1.2.zip
macOS binaries: r-release (arm64): xxIRT_2.1.2.tgz, r-oldrel (arm64): xxIRT_2.1.2.tgz, r-release (x86_64): xxIRT_2.1.2.tgz, r-oldrel (x86_64): xxIRT_2.1.2.tgz
Old sources: xxIRT archive


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