The Phylogenetic Regression of Grafen (1989)

Provides general linear model facilities (single y-variable, multiple x-variables with arbitrary mixture of continuous and categorical and arbitrary interactions) for cross-species data. The method is, however, based on the nowadays rather uncommon situation in which uncertainty about a phylogeny is well represented by adopting a single polytomous tree. The theory is in A. Grafen (1989, Proc. R. Soc. B 326, 119-157) and aims to cope with both recognised phylogeny (closely related species tend to be similar) and unrecognised phylogeny (a polytomy usually indicates ignorance about the true sequence of binary splits).


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Reference manual

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install.packages("phyreg")

1.0.2 by Alan Grafen, a year ago


Browse source code at https://github.com/cran/phyreg


Authors: Alan Grafen


Documentation:   PDF Manual  


Task views: Phylogenetics, Especially Comparative Methods


GPL-2 | GPL-3 license



See at CRAN