tot_coph {treestats} | R Documentation |
The total cophenetic index is the sum of the depth of the last common ancestor of all pairs of leaves.
tot_coph(phy, normalization = "none")
phy |
phylo object or ltable |
normalization |
"none" or "yule", when "yule" is chosen, the statistic is divided by the Yule expectation |
Total cophenetic index
A. Mir, F. Rosselló, and L. Rotger. A new balance index for phylogenetic trees. Mathematical Bio-sciences, 241(1):125-136, 2013. doi: 10.1016/j.mbs.2012.10.005.