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phytools (version 0.1-9)

phyl.vcv: Compute phylogenetic VCV matrix for a tree & dataset

Description

Primarily an internal function for phyl.pca; this can be used to compute the phylogenetic trait variance-covariance matrix given a phylogenetic VCV, lambda, and a data matrix.

Usage

phyl.vcv(X,C,lambda)

Arguments

lambda
value for lambda transformation.
X
data matrix.
C
matrix containing the height above the root of each pair of species in the tree. Typically this will have been produced by calling {link{vcv.phylo}.

Value

  • matrix.

Details

Do not use unless you know what you're doing.