\Header{vsnPlotPar}{Plot trajectories of calibration and transformation parameters for
a vsn fit}
\keyword{hplot}{vsnPlotPar}
\begin{Description}\relax
Plot trajectories of calibration and transformation parameters for
a vsn fit
\end{Description}
\begin{Usage}
\begin{verbatim}vsnPlotPar(x, what, xlab="iter", ylab=what, ...)\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{x}] An object of class \code{\Link{exprSet-class}} which has been
created by the function \code{\Link{vsn}}.
\item[\code{what}] Character, should either be "factors" or "offsets".
\item[\code{xlab}] Character, label for the x-axis.
\item[\code{ylab}] Character, label for the y-axis.
\item[\code{...}] Further arguments that get passed to plot.default.
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
The plot that is created by this function may help in assessing
whether the parameter estimation in \code{\Link{vsn}} was sufficiently
converged.
\end{Details}
\begin{Value}
The function is called for its side effect, creating a plot on the
active graphics device.
\end{Value}
\begin{Author}\relax
Wolfgang Huber \url{http://www.dkfz.de/abt0840/whuber}
\end{Author}
\begin{SeeAlso}\relax
\code{\Link{vsn}}
\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
  ## see example for vsn
\end{ExampleCode}
\end{Examples}

