Table 7.

The value of clustering validity index on Wine.

c	V XB	V B	V K	V R
2	0.663406	1.328291	118.33902	1.578291
3	0.468902	0.513071	83.939058	1.346421
4	—	0.473254	—	1.735791
5	—	0.373668	—	1.846686
6	—	0.256698	—	1.683222