Compositional Data Analysis

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.


Reference manual

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2.0-2 by K. Gerald van den Boogaart, 3 months ago

Browse source code at

Authors: K. Gerald van den Boogaart <[email protected]> , Raimon Tolosana-Delgado , Matevz Bren

Documentation:   PDF Manual  

Task views: Chemometrics and Computational Physics, Probability Distributions

GPL (>= 2) license

Imports methods, utils, grDevices, stats, tensorA, robustbase, bayesm, graphics, MASS

Suggests rgl, combinat, energy, knitr, rmarkdown

Imported by Arothron, MRPC, QFASA, ggtern, gmGeostats, itraxR, metamicrobiomeR, simmr, vdar.

Suggested by aqp, propr.

See at CRAN