A Validity Index for Fuzzy Clustering Based on Bipartite Modularity

Table 9

The original classification number of each dataset and the optimal number of clusters determined by each index before and after adding noise data.

Datasets	OC	CSBM	WGLI	PC	PE	MPC	MPE	CO
Iris	3	3(3)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)
Wine	3	3(3)	2(2)	2(2)	2(2)	2(5)	2(2)	2(3)
Wpbc	2	2(2)	2(2)	2(2)	2(2)	3(4)	2(2)	3(3)
Hayesroth	3	3(3)	2(2)	2(2)	2(2)	2(4)	2(2)	3(4)
Zoo	7	7(7)	4(4)	4(4)	3(3)	4(4)	3(3)	4(4)
Glass	6	5(6)	2(2)	2(3)	2(3)	3(3)	2(3)	2(3)