Calculate the number of cherries, from the phyloTop package.
A cherry is a pair of sister tips.
Usage
cherries(input_obj, normalization = "none")
Arguments
- input_obj
phylo object or ltable
- normalization
"none", "yule", or "pda", the found number of
cherries is divided by the expected number, following
McKenzie & Steel 2000.
References
McKenzie, Andy, and Mike Steel. "Distributions of cherries for
two models of trees." Mathematical biosciences 164.1 (2000): 81-92.