Compositional Data Analysis R package compositions version 2.0-9 CRAN Task View: AnomalyDetection (https://CRAN.R-project.org/view=AnomalyDetection) CRAN Task View: ChemPhys (https://CRAN.R-project.org/view=ChemPhys) CRAN Task View: CompositionalData (https://CRAN.R-project.org/view=CompositionalData) CRAN Task View: Distributions (https://CRAN.R-project.org/view=Distributions) Provides functions for the consistent analysis of compositional data (e.g. portions of substances) and positive numbers (e.g. concentrations) in the way proposed by J. Aitchison and V. Pawlowsky-Glahn. Software Depends: R (>= 3.6) Imports: methods, utils, grDevices, stats, tensorA, robustbase, bayesm, graphics, MASS Suggests: rgl (>= 1.0.1), combinat, energy, knitr, rmarkdown K. Gerald van den Boogaart <support@boogaart.de> Comprehensive R Archive Network (CRAN) K. Gerald van den Boogaart [aut, cre], Raimon Tolosana-Delgado [aut], Matevz Bren [aut] GPL (>= 2) 2025-08-21 application/tgz https://CRAN.R-project.org/package=compositions doi:10.32614/CRAN.package.compositions