\Header{normalize}{normalize data before feeding som algorithm}
\keyword{manip}{normalize}
\begin{Description}\relax
Normalize the data so that each row has mean 0 and variance 1.\end{Description}
\begin{Usage}
\begin{verbatim}
normalize(x, byrow=TRUE)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{x}] a data frame or matrix of input data.

\item[\code{byrow}] whether normalizing by row or by column, default is byrow.

\end{ldescription}
\end{Arguments}
\begin{Value}
An dataframe or matrix after the normalizing.\end{Value}
\begin{Author}\relax
Jun Yan <jyan@stat.wisc.edu>\end{Author}
\begin{SeeAlso}\relax
\code{\Link{filtering}}.\end{SeeAlso}

