\inputencoding{latin1}
\HeaderA{OJ}{OJ}{OJ}
\keyword{datasets}{OJ}
\begin{Description}\relax
The \code{OJ} datafile has both learning and test data.
\end{Description}
\begin{Usage}
\begin{verbatim}OJ\end{verbatim}
\end{Usage}
\begin{Format}\relax
This data file contains the following items:
\describe{
\item[x.learning] 150 spectra (lines), sampled with 700 points (columns)
\item[y.learning] Corresponding level of saccharose, in a column vector (150 lines).
\item[x.test] 68 spectra (lines), sampled with 700 points (columns)
\item[y.test] Corresponding level of saccharose, in a column vector (68 lines).
}
\end{Format}
\begin{Details}\relax
The goal is to estimate the level of saccharose of an orange juice from its observed near-infrared spectrum.
\end{Details}
\begin{Source}\relax
This database has been provided by Prof. Marc Meurens, Université catholique de Louvain, BNUT unit.
Please acknowledge the origin of this database if you use it and/or publish about it.
It can be found at \url{http://www.ucl.ac.be/mlg/index.php?page=DataBases}
\end{Source}

