Hi everyone,
I'm wondering if someone could tell me how to access the coordinates of the
tips on a phylogenetic tree. I'd like to be able to draw lines from the tips to
say the tips of another tree, or to points on a map, etc.
If you generate a random tree
library(phytools)
tree <- pbtree(n=20)
is there an easy way to do it? I think you can get the length from the base of
the tree to each tip using
nodeHeights(tree)
but I can't figure out how to get the other dimension (i.e., the spread of the
tips).
Thanks for any help!
Vincenzo
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