The total path length describes the sums of the depths
of all vertices of the tree.
Usage
tot_path_length(phy)
Arguments
phy
phylo object or ltable
Value
Total path length
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.