Hybrid Fuzzy Clustering Method Based on FCM and Enhanced Logarithmical PSO (ELPSO)

Table 8

Average results for validity index PBM(F) (best results are highlighted in bold).

Datasets	GA-FCM	FCM-SPSO	FCM-LPSO	FCM-EPSO	FCM-RPSO	FCM-ELPSO
Ecoli	0.3195	0.3162	0.3174	0.3198	0.3214	0.3238
Glass	2.6173	2.7959	2.9268	2.8091	2.9334	3.3451
Image segmentation	261.9715	255.1723	409.8047	401.2907	361.9401	487.0102
Page blocks classification	6.7247e + 04	6.8971e + 04	6.5584e + 04	6.7081e + 04	6.5419e + 04	7.0711e + 04
Spectf	19.5535	12.4250	26.0889	28.1726	27.2532	31.5303
Steel plates faults	9.6322e + 02	1.0076e + 07	9.5767e + 06	9.7646e + 06	9.7419e + 06	1.0186e + 07
Ultrasonic flowmeter diagnostics	3.6912e + 03	3.7835e + 03	3.7067e + 03	3.6883e + 03	3.7202e + 03	4.0045e + 03
Yeast	0.0871	0.0884	0.1207	0.1177	0.1191	0.1434