base.freq = NULL, as.matrix = FALSE)
}
\arguments{
- \item{x}{a matrix or a list containing the DNA sequences.}
+ \item{x}{a matrix or a list containing the DNA sequences; this must be
+ of class \code{"DNAbin"} (use \code{\link{as.DNAbin}} is they are
+ stored as character).}
\item{model}{a character string specifying the evlutionary model to be
used; must be one of \code{"raw"}, \code{"N"}, \code{"JC69"},
\code{"K80"} (the default), \code{"F81"}, \code{"K81"},