transform_branch_length: Transform branch length for a re-scaled BM
Description
Re-scale the branch length of the tree so that a BM running
on the new tree produces the same observations at the tips than an OU with
parameter alpha.
Usage
transform_branch_length(phylo, alp)
Arguments
phylo
A phylogenetic tree of class phylo, with branch
lengths.
alp
Value of the selection strength.
Value
phylo The same phylogenetic tree, with transformed branch lengths.