Table 4.

ANFIS varied structural performance.

S/N	Membership function type	Membership function number	Epoch	R2
1	Trimf	2	250	0.8879
2	Trimf	3	392	0.9123
3	Trimf	5	278	0.9136
4	gbellmf	2	60	0.9823
5	gbellmf	3	38	0.9931
6	gbellmf	5	83	0.9917
7	gaussmf	2	153	0.9201
8	gaussmf	3	128	0.9410
9	gaussmf	5	29	0.8923
10	pimf	2	431	0.9127
11	pimf	3	211	0.9726
12	pimf	5	391	0.9812