ccpsyc

0.2.8

Methods for Cross-Cultural Psychology

0packages depend

3.1Kdownloads / year

48.2%test coverage

13/13checks pass

Overview

About

Maintained by Johannes KarlFirst published 2022-05-112 releasesCRAN page ↗GitHub ↗

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.

Install

R (CRAN)pak (dev)Ubuntu (r2u)

install.packages("ccpsyc", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("Jo-Karl/ccpsyc")

Development version from Jo-Karl/ccpsyc. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-ccpsyc

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

Health

CRAN checks

13OK

Slowest check: 2.1 min · r-oldrel-macos-x86_64

Code health

Yes

Tests · ratio 0.04

48.2%

Coverage · measured lines

93%

Documentation · exports

Dependencies · direct

Check history

OK2026-04-06
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-04-04
13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesNopkgdown siteNoNEWSYes · 67% structuredCode of conductNoContributing guideNo

Examples that run: 22%
Documented parameters: 100%
Return-value docs: 100%
References docs: 0%

Downloads

3.1K

CRAN downloads in the past year

Rank #14,062 · ~9/day · ~260/mo

Releases R versions

Daily download trend is not available in this view yet.

26930 days

74990 days

3.1K1 year

Compare downloads with other packages →

Also on286 r2u

Repository

GitHub ↗ jo-karl/ccpsyc

1Stars

1Forks

2Open issues

0Open PRs

0Releases

43Commits

1Contributors

43 commits · Last activity 2025-08-20

Repository practices

Upstream repositoryBeta

1 development-tooling and community-health practice detected across 1 family in the upstream repository

Checks run against github.com/jo-karl/ccpsyc on 2026-07-26.

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

13 external dependencies (excludes base and recommended)

Depends (1)

R >= 4.0.0

Imports (10)

dplyr lavaan magrittr MCMCpack psych RcppAlgos readrstatstibble tidyr

LinkingTo (0)

none

Suggests (4)

knitr readxl rmarkdown testthat

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

Datasets

People & History

People (1)

Maintainer (1)

Johannes Karl

Author, Maintainer

Authors (1)

Johannes Karl

Author, Maintainer

Package Timeline

2 releases. Pick two to compare their code metrics. R releases are shown for context.

0.2.8Latest
2026-07-25 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
0.2.6
2026-03-10
R
R 4.5.0 released · 2025-04-11

Package metadata

First published: 2022-05-11
Total releases: 2 / 4 yrs
License: GPL-3 OSI
Minimum R: ≥ 4.0.0
Bundled data: 21 KB / 1 file
Download size: 68 KB
Installed size: not tracked yet
With dependencies: not tracked yet

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