\Header{exprset.log}{Take log base 2 of Expression}
\keyword{manip}{exprset.log}
\begin{Description}\relax
Take log base 2 of the expression matrix in an \code{\Link{exprSet}}
\end{Description}
\begin{Usage}
\begin{verbatim}
exprset.log(exprset)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{exprset}] \code{\Link{exprSet}}
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
This functions takes log base 2 of the \code{exprs} slot (expression
matrix) in an  \code{\Link{exprSet}}. Negatives are converted
to the smallest non-negative entry.
\end{Details}
\begin{Value}
An \code{\Link{exprSet}}\end{Value}
\begin{Author}\relax
Rafael A. Irizarry
\end{Author}

