数据集

K-means

SC(NJW)

NP-SC

PGK-SC

NEW-SC

Checker-board

0.5710

0.5710

0.5740

0.5790

0.5980

Spiral

0.5890

0.6610

1

1

1

Two-cluster

0.9975

0.9975

1

1

1

Two moons

0.7337

0.7250

1

1

1

Three-cluster

1

1

1

1

1

Three-circles

0.3372

0.3369

1

1

1