Incremental Fuzzy Clustering Based on Feature Reduction

Table 4

Comparison of running time.

Datasets	SPFRFCM	SPFCOM	SPHFCM	SPFCM	OFRFCM	OFCOM	OHFCM	OFCM
IR	0.21	0.93	0.253	0.50	0.31	1.05	0.26	0.17
WB	2.16	9.65	4.123	2.30	3.83	10.81	3.16	1.29
WR	124.25	371.35	136.67	97.10	183.93	623.54	162.17	67.45
PB	74.34	378.74	106.38	90.46	78.26	377.46	48.18	80.63
SE	8.20	181.30	13.28	10.75	45.30	174.00	41.27	21.32
GS	1727.61	5558.61	1955.02	2949.61	4826.75	7419.58	4631.62	3652.84