brown: Fit a Brownian-motion model of evolution along a phylogenetic tree
Description
brown fits a Brownian motion model to the given data.
Usage
brown(data, tree)
Arguments
data
Phenotypic data for extant species, i.e., at the terminal
ends of the phylogenetic tree. This can either be a numeric vector
or a list. If it is a numeric vector, there must be one entry for
every node. If it is a list, it must consist enti
tree
A phylogenetic tree, specified as an ouchtree
object.
Value
brown returns an object of class browntree. See
browntree-class for information on the methods of this
class.
References
Butler, M.A. and A.A. King (2004) Phylogenetic comparative analysis: a
modeling approach for adaptive evolution. American Naturalist
164:683-695.