\HeaderA{grp}{A group indicator.}{grp}
\keyword{datasets}{grp}
\begin{Description}\relax
This is a group indicator for the simulated gene expression data "dat" in
the TSP package. The two groups are "healthy" and "diseased".
\end{Description}
\begin{Usage}
\begin{verbatim}grp\end{verbatim}
\end{Usage}
\begin{Format}\relax
vector
\end{Format}

