s2 {evclust}

S2 dataset

Description

This dataset contains 5000 two-dimensional vectors grouped in 15 Gaussian clusters.

Usage

data(s2)

Format

A matrix with 5000 rows and two columns.

References

P. Franti and O. Virmajoki. Iterative shrinking method for clustering problems. Pattern Recognition, 39(5):761–775, 2006.

T. Denoeux, O. Kanjanatarakul and S. Sriboonchitta. EK-NNclus: a clustering procedure based on the evidential K-nearest neighbor rule. Knowledge-Based Systems, Vol. 88, pages 57–69, 2015.

T. Denoeux, S. Sriboonchitta and O. Kanjanatarakul. Evidential clustering of large dissimilarity data. Knowledge-Based Systems (accepted for publication), DOI: 10.1016/j.knosys.2016.05.043, 2016.

Examples

data(s2)
plot(s2[,1],s2[,2],xlab=expression(x[1]),ylab=expression(x[2]))