colless.phylo {phyloTop} | R Documentation |
Colless number
Description
Finds the Colless number for a tree.
Note that the package apTreeshape
has a function colless
to compute the Colless imbalance with additional options to normalise it based on the model;
we include this simple function here for convenience within this package, and for use on objects of class phylo
and phylo4
.
Usage
colless.phylo(tree, normalise = TRUE)
Arguments
tree |
a tree of class |
normalise |
option to normalise the result by dividing by the number of tip pairs. Defaults to |
Value
The Colless imbalance number of the tree.
Author(s)
Michael Boyd mboyd855@gmail.com
Michelle Kendall michelle.louise.kendall@gmail.com
Examples
## Find the Colless imbalance of a random tree with 10 tips:
tree <- rtree(10)
plot(tree)
colless.phylo(tree)
[Package phyloTop version 2.1.2 Index]