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

Documentation:

Reference manual:

xxIRT.pdf

Downloads:

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

Linking:

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