3 \title{Find Most Recent Common Ancestors Between Pairs}
5 This function returns for each pair of tips (and nodes) its most
6 recent common ancestor (MRCA).
9 mrca(phy, full = FALSE)
12 \item{phy}{an object of class \code{"phylo"}.}
13 \item{full}{a logical indicating whether to return the MRCAs among
14 all tips and nodes (if \code{TRUE}); the default is to return only
15 the MRCAs among tips.}
18 The diagonal is set to the number of the tips (and nodes if \code{full
21 If \code{full = FALSE}, the colnames and rownames are set with the tip
22 labels of the tree; otherwise the numbers are given as names.
25 a matrix of mode numeric.
27 \author{Emmanuel Paradis \email{Emmanuel.Paradis@mpl.ird.fr}}