brief description is given below; more details can be found in the
References.
+\itemize{
\item{``raw'', ``N''}{This is simply the proportion or the number of
sites that differ between each pair of sequences. This may be useful
to draw ``saturation plots''. The options \code{variance} and
\item{``paralin''}{Lake (1994) developed the paralinear distance which
can be viewed as another variant of the Barry--Hartigan distance.}
-}
+}}
\value{
an object of class \link[stats]{dist} (by default), or a numeric
matrix if \code{as.matrix = TRUE}. If \code{model = "BH87"}, a numeric