\Header{xclara}{Bivariate Data Set with 3 Clusters}
\keyword{datasets}{xclara}
\begin{Description}\relax
An artificial data set consisting of 3000 points in 3 well-separated
clusters of size 1000 each.
\end{Description}
\begin{Usage}
\begin{verbatim}data(xclara)\end{verbatim}
\end{Usage}
\begin{Format}\relax
A data frame with 3000 observations on 2 numeric variables giving the
\eqn{x}{} and \eqn{y}{} coordinates of the points, respectively.
\end{Format}
\begin{Source}\relax
Sample data set accompanying the reference below, obtained from
\url{http://www.stat.ucla.edu/journals/jss/v01/i04/data/}.
\end{Source}
\begin{References}\relax
Anja Struyf, Mia Hubert \& Peter J. Rousseeuw (1996):
Clustering in an Object-Oriented Environment.
\emph{Journal of Statistical Software}, \bold{1}.
\url{http://www.stat.ucla.edu/journals/jss/}
\end{References}

