compositionsGUI (1.0)

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Graphical User Environment for Compositional Data Analysis.

The package provides graphical user interface and teaching tool for compositional data analysis using R. It contains data loading from various sources (external sources, installed R packages), preprocessing (imputation of missing values and rounded zeros), basic summary statistics as well as log-ratio transformations, necessary for a reasonable statistical treatment of compositional data (isometric, centred, additive log-ratio transformations). Further, also statistical methods like outlier detection and principal component analysis, together with the corresponding graphical tools, are provided. Finally, the package contains plotting functions, suitable for compositional data analysis, like ternary and quaternary diagrams, scatterplots of log-ratio transformed data, and diagrams with categorical/continuous covariates.

Maintainer: Jiri Eichler
Author(s): Jiri Eichler, Karel Hron, Raimon Tolosana-Delgado, Gerald van den Boogaart, Matthias Templ, Peter Filzmoser

License: GPL (>= 2)

Uses: boot, compositions, MASS, mvoutlier, nnet, RGtk2, robCompositions, robustbase

Released over 6 years ago.



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