locate.yeti: Locate a cryptic, recently extinct, or missing taxon on a tree
Description
This function uses ML to place a recently extinct, cryptic, or missing taxon on an ultrametric tree.
Usage
locate.yeti(tree, X, ...)
Arguments
tree
an object of class "phylo".
X
a matrix with continuous character data.
...
optional arguments including: method ("heuristic" or "exhaustive"); constraint, a vector containing the daughter node numbers from tree$edge for each edge to try.
Value
Optimized tree as an object of class "phylo".
References
Felsenstein, J. (1981) Maximum likelihood estimation of evolutionary trees from continuous characters. American Journal of Human Genetics, 25, 471-492.