A Basic Set of Functions for Compositional Data Analysis

A minimum set of functions to perform compositional data analysis using the log-ratio approach introduced by John Aitchison (1982) < http://www.jstor.org/stable/2345821>. Main functions have been implemented in c++ for better performance.


News

coda.base 0.1.7 (Release date: 2017-08-25)

  • Problem with function composition using 'clr' basis solved.
  • 'coda.base.basis' option included to hide the basis when printing the coordinates.
  • New method which uses the principal components included in pb_basis.
  • Documentaion improved.

coda.base 0.1.8 (Release date: 2017-12-03)

  • Exact algorithm for Principal Balances included.
  • Bug in lsearch base in principal components solved.

coda.base 0.1.9 (Release date: 2018-05-03)

  • Modifications included to rcran policies.

coda.base 0.1.10 (Release date: 2018-08-03)

  • Principal Balances included as direct method in coordinates function.
  • Coordinates function filters non-valid compositions.

Reference manual

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install.packages("coda.base")

0.1.11 by Marc Comas-Cufí, 8 days ago


Browse source code at https://github.com/cran/coda.base


Authors: Marc Comas-Cufí [aut, cre]


Documentation:   PDF Manual  


GPL license


Imports Rcpp, MASS

Suggests knitr, rmarkdown

Linking to Rcpp, RcppArmadillo


See at CRAN