phytools: getSisters – R documentation

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getSisters

Get the sister node number, label, or set of nodes for a node or tip

Description

This function takes a tree and node or tip number of label and returns the number or label of the sister or sisters to that node or tip.

Usage

getSisters(tree, node, mode=c("number","label"))

Arguments

`tree`	object of class `"phylo"`.
`node`	a node number, tip number, node label, or tip label.
`mode`	an optional string indicating whether to return the node or tip number(s) or the node or tip label(s), if applicable.

Value

If mode="number" this function returns an integer or vector containing the node number of numbers of the sister node or tip. If mode="label" then this function returns a list containing up to two vectors: one for the node numbers of labels of sister nodes (if applicable); and the other containing the tip labels of the sister tips.

Author(s)

Liam Revell liam.revell@umb.edu

References

Revell, L. J. (2012) phytools: An R package for phylogenetic comparative biology (and other things). Methods Ecol. Evol., 3, 217-223.