faithPD {epm}

Calculate Faith's Phylogenetic Diversity

Description

Calculates Faith's PD for a specific set of tips

Usage

faithPD(phy, tips)

Arguments

phy

phylogeny of class phylo

tips

tip names to be included

Details

Returns the sum of total branch lengths that unite a set of species. The root is always included in these calculations. If tip is just one species, then the root-to-tip distance is returned.

Value

numeric value of summed phylogenetic diversity

Author(s)

Pascal Title

References

Faith D.P. (1992) Conservation evaluation and phylogenetic diversity. Biological Conservation, 61, 1-10.

Examples

tamiasTree
faithPD(tamiasTree, c('Tamias_minimus', 'Tamias_speciosus'))