This function finds paths of nodes in a tree. The nodes can be
internal and/or terminal (i.e., tips).
Usage
nodepath(phy, from = NULL, to = NULL)
Value
a list of vectors of integers (by default), or a single vector of
integers.
Arguments
phy
an object of class "phylo".
from, to
integers giving node or tip numbers.
Author
Emmanuel Paradis
Details
By default, this function returns all the paths from the root to each
tip of the tree. If both arguments from and to are
specified, the shortest path of nodes linking them is returned.