\arguments{
\item{X}{a distance matrix, may be an object of class ``dist''.}
\item{k}{an integer giving the number of intervals in the plot.}
- \item{plot}{a logival specifying whether to draw the
+ \item{plot}{a logical specifying whether to draw the
\eqn{\delta}{delta} plot (the default).}
\item{which}{a numeric vector indicating which plots are done; 1: the
histogram of the \eqn{\delta_q}{delta_q} values, 2: the plot of the