The average vertex depth metric, measures the average path
(in edges), between the tips and the root.
Usage
avg_vert_depth(phy)
Arguments
phy
phylo object or ltable
Value
Average depth (in number of edges)
References
C. Colijn and J. Gardy. Phylogenetic tree shapes resolve disease
transmission patterns. Evolution, Medicine, and Public Health,
2014(1):96-108, 2014. ISSN 2050-6201. doi: 10.1093/emph/eou018.