An object of class \code{"hclust"}, \code{"phylo"}, \code{"network"},
or \code{"igraph"}.
}
+\note{
+ In an object of class \code{"hclust"}, the \code{height} gives the
+ distance between the two sets that are being agglomerated. So these
+ distances are divided by two when setting the branch lengths of a
+ phylogenetic tree.
+}
\author{Emmanuel Paradis}
\seealso{
\code{\link[stats]{hclust}}, \code{\link[stats]{as.hclust}},