Multiple clusters of different sizes, shapes and distance from each other

This data is originally from http://ifs.tuwien.ac.at/dm/download/multiChallenge-matrix.txt, and provided as a challenge for non-linear dimension reduction.It was used as an example in Lee, Laa, Cook (2023) https://doi.org/10.52933/jdssv.v2i3.

Format

A dataset with 400 rows and 11 columns

Details

group

cluster label

x1, ... x10

numeric variables

See also

clusters

Examples

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