A vector (if there is only one input sequence) or a list of class
\code{"DNAbin"}.
}
-\author{Emmanuel Paradis \email{Emmanuel.Paradis@ird.fr}}
+\author{Emmanuel Paradis}
\seealso{
\code{\link{base.freq}}, \code{\link{GC.content}},
\code{\link{theta.s}}, \code{\link{nuc.div}}, \code{\link{seg.sites}}