ccpsyc: Methods for Cross-Cultural Psychology

Combines multiple functions that automate and simplify methods commonly employed in cross-cultural psychology, providing a unified analysis approach for measurement invariance testing, effect sizes for differential item functioning, factor congruence and multi-group reliability. Methods follow Fischer and Karl (2019) <doi:10.3389/fpsyg.2019.01507> and Gunn, Grimm and Edwards (2020) <doi:10.1080/10705511.2019.1689507>.

Version: 0.2.8
Depends: R (≥ 4.0.0)
Imports: dplyr, lavaan, magrittr, MCMCpack, psych, RcppAlgos, readr, stats, tibble, tidyr
Suggests: knitr, readxl, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-07-24
DOI: 10.32614/CRAN.package.ccpsyc
Author: Johannes Karl [aut, cre]
Maintainer: Johannes Karl <johannes.a.karl at gmail.com>
BugReports: https://github.com/Jo-Karl/ccpsyc/issues
License: GPL-3
URL: https://github.com/Jo-Karl/ccpsyc
NeedsCompilation: no
Materials: NEWS
CRAN checks: ccpsyc results

Documentation:

Reference manual: ccpsyc.html , ccpsyc.pdf

Downloads:

Package source: ccpsyc_0.2.8.tar.gz
Windows binaries: r-devel: ccpsyc_0.2.6.zip, r-release: ccpsyc_0.2.6.zip, r-oldrel: ccpsyc_0.2.6.zip
macOS binaries: r-release (arm64): ccpsyc_0.2.6.tgz, r-oldrel (arm64): ccpsyc_0.2.6.tgz, r-release (x86_64): ccpsyc_0.2.6.tgz, r-oldrel (x86_64): ccpsyc_0.2.6.tgz
Old sources: ccpsyc archive

Linking:

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