is_phylo: Checks if phy is a phylo object and/or a chronogram.
Description
Checks if phy is a phylo object and/or a chronogram.
Usage
is_phylo(phy = NULL, brlen = FALSE, dated = FALSE)
Arguments
brlen
Boolean. If TRUE it checks if phylo object has branch lengths.
dated
Boolean. If TRUE it checks if phylo object is ultrametric.