geiger (version 0.2-5)

ic.sigma: Estimate Evolutionary VCV Matrix

Description

Uses independent contrasts to estimate the evolutionary variance-covariance matrix for n quantitative characters

Usage

ic.sigma(phy, matrix)

Arguments

phy

Phylogenetic tree

matrix

Matrix of continuous character data

Value

• Variance-covariance matrix

References

Revell et al. 2006

Examples

data(geospiza)
attach(geospiza)

drop.tip(geospiza.tree, "olivacea")->g.tree
ic.sigma(g.tree, geospiza.data)