\name{symflipper}
\docType{data}
\alias{symflipper}
\title{Artificial dataset: symflipper}
\description{
Four convex clusters touching each other, double symmetry prevents unique 2-cluster solution.
}
\usage{data(symflipper)}
\format{A dataframe with columns x, y and cluster}
\source{Artificial}
\references{
Oehlschlägel, J. (2006) \emph{Scalable robust clustering with model selection}.
}
\seealso{ \code{\link{flipper}}, \code{\link{noflipper}} }
\keyword{datasets}
