double_cherries: Double Cherry index
Description
Calculate the number of double cherries, where a single cherry
is a node connected to two tips, and a double cherry is a node connected
to two cherry nodes.
Usage
double_cherries(input_obj)
Arguments
- input_obj
phylo object or ltable
References
Chindelevitch, Leonid, et al. "Network science inspires novel
tree shape statistics." PloS one 16.12 (2021): e0259877.