\HeaderA{imageplot3by2}{Write Imageplots to Files}{imageplot3by2}
\keyword{hplot}{imageplot3by2}
\begin{Description}\relax
Write imageplots to files in PNG format, six plots to a file in a 3 by 2 grid arrangement.
\end{Description}
\begin{Usage}
\begin{verbatim}
imageplot3by2(RG, z="Gb", prefix=paste("image",z,sep="-"), path=NULL, zlim=NULL, common.lim=TRUE, ...)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{RG}] an \code{RGList} or \code{MAList} object, or any list with component named by \code{z}
\item[\code{z}] character string giving name of component of \code{RG} to plot
\item[\code{prefix}] character string giving prefix to attach to file names
\item[\code{path}] character string specifying directory for output files
\item[\code{zlim}] numeric vector of length 2, giving limits of response vector to be associated with saturated colors
\item[\code{common.lim}] logical, should all plots on a page use the same axis limits
\item[\code{...}] any other arguments are passed to \code{imageplot}
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
At the time of writing, this function writes plots in PNG format in an arrangement optimized for A4-sized paper.
\end{Details}
\begin{Value}
No value is returned, but one or more files are written to the working directory.
The number of files is determined by the number of columns of \code{RG}.
\end{Value}
\begin{Author}\relax
Gordon Smyth
\end{Author}
\begin{SeeAlso}\relax
An overview of diagnostic functions available in LIMMA is given in \LinkA{09.Diagnostics}{09.Diagnostics}.
\end{SeeAlso}