Prediction of Biogas Yield from Codigestion of Lignocellulosic Biomass Using Adaptive Neuro-Fuzzy Inference System (ANFIS) Model

Table 6

Optimization of ANFIS models.

Data point	Types of ANFIS models	No. of mf	Epoch	Training R^2 value	Training RMSE	Training MAE
160	ANFIS-Tri-mf	7, 7	40	0.6451	117.55	6.8213
160	ANFIS-Trap-mf	7, 7	40	0.3719	173.77	9.0987
160	ANFIS-Gbell-mf	7, 7	40	0.2837	186.09	12.2345
160	ANFIS-Gauss-mf	7, 7	40	0.9978	14.37	2.3123
160	ANFIS-Gauss2-mf	7, 7	40	0.4819	169.22	7.9057
160	ANFIS-Pi-mf	7, 7	40	0.7452	52.63	5.8726
160	ANFIS-Dsig-mf	7, 7	40	0.8451	41.72	4.2914
160	ANFIS-Psig-mf	7, 7	40	0.8107	47.12	4.7612