\HeaderA{Rows}{Extract `rows' from a list}{Rows}
\keyword{utilities}{Rows}
\begin{Description}\relax
Convenience function to extract subset of a list. Usually used in
creating keys.
\end{Description}
\begin{Usage}
\begin{verbatim}
Rows(x, which)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{x}] list with each member a vector of the same length 
\item[\code{which}] index for members of \code{x}
\end{ldescription}
\end{Arguments}
\begin{Value}
A list similar to \code{x}, with each \code{x[[i]]} replaced by
\code{x[[i]][which]}
\end{Value}
\begin{Author}\relax
Deepayan Sarkar \email{Deepayan.Sarkar@R-project.org}
\end{Author}
\begin{SeeAlso}\relax
\code{\LinkA{xyplot}{xyplot}}, \code{\LinkA{Lattice}{Lattice}}
\end{SeeAlso}

