A Self-Adaptive Fuzzy c-Means Algorithm for Determining the Optimal Number of Clusters

Table 5

Optimal number of clusters estimated by several clustering validity indices.

Dataset
Iris	2	9	2	2
Wine	3	6	3	3
Seeds	2	5	2	2
SubKDD	10	10	9	4
SD1	20	20	20	20
SD2	4	4	4	4
SD3	5	3	5	4
SD4	2	8	2	3