Calculation and Visualization of the Impact Effect Size Measure R package ImpactEffectsize version 0.8 A non-parametric effect size measure capturing changes in central tendency or shape of data distributions. The package provides the necessary functions to calculate and plot the Impact effect size measure between two groups. Software Depends: R (>= 3.5.0) Imports: caTools, matrixStats, parallelDist, methods, stats, graphics, Rcpp, withr LinkingTo: Rcpp Suggests: testthat Jorn Lotsch <j.loetsch@em.uni-frankfurt.de> Comprehensive R Archive Network (CRAN) Jorn Lotsch [aut, cre] (ORCID: <https://orcid.org/0000-0002-5818-6958>), Alfred Ultsch [aut] (ORCID: <https://orcid.org/0000-0002-7845-3283>) GPL-3 2025-09-02 application/tgz https://CRAN.R-project.org/package=ImpactEffectsize doi:10.32614/CRAN.package.ImpactEffectsize