Four unusually shaped clusters in 4D

This data is simulated to use for testing. It has two small spherical clusters, and a curve cluster and a sine wave cluster.

Format

A dataset with 300 rows and 6 columns

Details

x1, x2, x3, x4

five numeric variables

See also

clusters

Examples

require(ggplot2)
ggplot(clusters_nonlin, aes(x=x1, y=x2)) +
  geom_point() +
  theme(aspect.ratio=1)