Indices of Effect Size R package effectsize version 1.0.3 CRAN Task View: MetaAnalysis (https://CRAN.R-project.org/view=MetaAnalysis) Provide utilities to work with indices of effect size for a wide variety of models and hypothesis tests (see list of supported models using the function 'insight::supported_models()'), allowing computation of and conversion between indices such as Cohen's d, r, odds, etc. References: Ben-Shachar et al. (2020) <doi:10.21105/joss.02815>. Software Depends: R (>= 4.0) Imports: bayestestR (>= 0.18.1), insight (>= 1.5.2), parameters (>= 0.29.2), performance (>= 0.17.1), datawizard (>= 1.3.1), stats, utils Suggests: correlation (>= 0.8.7), see (>= 0.11.0), afex, BayesFactor, boot, brms, car, emmeans, gt, knitr, lavaan, lme4, lmerTest, mgcv, parsnip, pwr, rmarkdown, rms, rstanarm, rstantools, testthat (>= 3.1.0) Mattan S. Ben-Shachar <mattansb@msbstats.info> Comprehensive R Archive Network (CRAN) Mattan S. Ben-Shachar [aut, cre] (ORCID: <https://orcid.org/0000-0002-4287-4801>), Dominique Makowski [aut] (ORCID: <https://orcid.org/0000-0001-5375-9967>), Daniel Lüdecke [aut] (ORCID: <https://orcid.org/0000-0002-8895-3206>), Indrajeet Patil [aut] (ORCID: <https://orcid.org/0000-0003-1995-6531>), Brenton M. Wiernik [aut] (ORCID: <https://orcid.org/0000-0001-9560-6336>), Rémi Thériault [aut] (ORCID: <https://orcid.org/0000-0003-4315-6788>), Ken Kelley [ctb], David Stanley [ctb], Aaron Caldwell [ctb] (ORCID: <https://orcid.org/0000-0002-4541-6283>), Jessica Burnett [rev] (ORCID: <https://orcid.org/0000-0002-0896-5099>), Johannes Karreth [rev] (ORCID: <https://orcid.org/0000-0003-4586-7153>), Philip Waggoner [aut, ctb] (ORCID: <https://orcid.org/0000-0002-7825-7573>) MIT + file LICENSE (https://CRAN.R-project.org/package=effectsize/LICENSE) 2026-07-07 application/tgz https://CRAN.R-project.org/package=effectsize doi:10.32614/CRAN.package.effectsize en-US