}
\arguments{
\item{X}{a distance matrix.}
- \item{fs}{argument \emph{s} of the agglomerative criterion.}
+ \item{fs}{argument \emph{s} of the agglomerative criterion: it is
+ coerced as an integer and must at least equal to one.}
}
\details{
Missing values represented by either \code{NA} or any negative number.
Basically, the Q* criterion is applied to all the pairs of leaves, and
the \emph{s} highest scoring ones are chosen for further analysis by
- the agglomeration criteria that better handle handle missing
- distances (see references for details).
+ the agglomeration criteria that better handle missing distances (see
+ references for details).
}
\value{
an object of class \code{"phylo"}.