toydata1 {ClusTorus}

toydata1: Labelled Data for 5 Clusters

Description

Artificially generated data on the 2 dimensional torus

Usage

toydata1

Format

This data.frame contains the following components:

phi

column for the first angle

psi

column for the second angle

label

column for the clustering membership

Details

toydata1 is an artificial data generated from a mixture of 5 clusters, where three clusters are sampled from bivariate normal distributions and the other two are each sampled from the uniform distribution on a rectangle.

References

Jung, S., Park, K., & Kim, B. (2021). Clustering on the torus by conformal prediction. The Annals of Applied Statistics, 15(4), 1583-1603.