\HeaderA{maText}{Highlight points on a plot}{maText}
\keyword{aplot}{maText}
\begin{Description}\relax
This function may be used to highlight a subset of points on an existing
plot, such as a plot produced by \code{\LinkA{plot}{plot}},
\code{\LinkA{maPlot}{maPlot}}, or \code{\LinkA{maPlot.func}{maPlot.func}}.
\end{Description}
\begin{Usage}
\begin{verbatim}
maText(subset=NULL, labels=as.character(1:length(subset)), ...)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{subset}] A "logical" or "numeric" vector indicating the subset of points to
highlight.
\item[\code{labels}] One or more character strings or expressions specifying the text to be written.
\item[\code{...}] Optional graphical parameters, see \code{\LinkA{par}{par}}.
\end{ldescription}
\end{Arguments}
\begin{Value}
A function with bindings for \code{subset}, \code{labels}, and \code{...}. This latter function takes as arguments \code{x} and \code{y}, the absissa and ordinates of points on the plot.
\end{Value}
\begin{Author}\relax
Sandrine Dudoit, \url{http://www.stat.berkeley.edu/~sandrine}.
\end{Author}
\begin{References}\relax
S. Dudoit and Y. H. Yang. (2002). Bioconductor R packages for exploratory analysis and normalization of cDNA microarray data. In G. Parmigiani, E. S. Garrett, R. A. Irizarry and S. L. Zeger, editors, \emph{The Analysis of Gene Expression Data: Methods and Software}, Springer, New York.
\end{References}
\begin{SeeAlso}\relax
\code{\LinkA{text}{text}}, \code{\LinkA{maPlot}{maPlot}}, \code{\LinkA{maPlot.func}{maPlot.func}}.
\end{SeeAlso}
\begin{Examples}
\begin{ExampleCode}
# See examples for maPlot.

\end{ExampleCode}
\end{Examples}