A list of tip names as a character vector. Should be a power of 2. All
tip names must be distinct.
level.lengths
Edge lengths for each level, counted from the bottom up. NULL means a
default of 1. If the vector isn't long enough, the last value will be
repeated as necessary.
outgroup
The tip label for the outgroup.
outgroup.dist
The distance of the outgroup from the root.
Author
John Chakerian
Details
Generates a Bethe tree with specified internal edge lengths.
References
Chakerian, J. and Holmes, S. P. Computational Tools for Evaluating
Phylogenetic and Heirarchical Clustering Trees. arXiv:1006.1015v1.