\HeaderA{annotation}{Annotate eSet data.}{annotation}
\aliasA{annotation<\Rdash}{annotation}{annotation<.Rdash.}
\keyword{manip}{annotation}
\begin{Description}\relax
This generic function handles methods for adding and retrieving
`annotation' and `description' information for eSets. An annotation is the name of the file describing the chip used for the experiment.
\end{Description}
\begin{Usage}
\begin{verbatim}
annotation(object)
annotation(object) <- "hgu95av2"

\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{object}] Object derived from class eSet
\end{ldescription}
\end{Arguments}
\begin{Value}
\code{annotation(object)} returns a character vector indicating the
annotation package.
\end{Value}
\begin{Author}\relax
Biocore
\end{Author}
\begin{SeeAlso}\relax
\code{\LinkA{eSet-class}{eSet.Rdash.class}},
\code{\LinkA{ExpressionSet-class}{ExpressionSet.Rdash.class}}, \code{\LinkA{SnpSet-class}{SnpSet.Rdash.class}}
\end{SeeAlso}

