pwrss: Statistical Power, Sample Size, and Detectable Effect Calculations

Flexible and comprehensive functions for statistical power, minimum required sample size, and minimum detectable effect calculations across a wide range of commonly used hypothesis tests in psychological, biomedical, and social sciences.

Version: 1.2.0
Depends: R (≥ 3.5.0)
Suggests: knitr, sadists, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-06-22
DOI: 10.32614/CRAN.package.pwrss
Author: Metin Bulus [aut, cre, cph], Sebastian Jentschke [aut, cph]
Maintainer: Metin Bulus <bulusmetin at gmail.com>
BugReports: https://github.com/metinbulus/pwrss/issues
License: GPL (≥ 3)
URL: https://metinbulus.github.io/pwrss/
NeedsCompilation: no
Language: en-US
Citation: pwrss citation info
Materials: NEWS
CRAN checks: pwrss results

Documentation:

Reference manual: pwrss.html , pwrss.pdf
Vignettes: Practical Power Analysis in R (source, R code)

Downloads:

Package source: pwrss_1.2.0.tar.gz
Windows binaries: r-devel: pwrss_1.0.0.zip, r-release: pwrss_1.0.0.zip, r-oldrel: pwrss_1.0.0.zip
macOS binaries: r-release (arm64): pwrss_1.0.0.tgz, r-oldrel (arm64): pwrss_1.0.0.tgz, r-release (x86_64): pwrss_1.0.0.tgz, r-oldrel (x86_64): pwrss_1.0.0.tgz
Old sources: pwrss archive

Reverse dependencies:

Reverse suggests: carts

Linking:

Please use the canonical form https://CRAN.R-project.org/package=pwrss to link to this page.