Table 4.

Evaluation of ANFIS subtractive clustering hyperparameters.

Method	Radius	RMSE	MAPE	MAE	R${}^2$	Time (s)
Hybrid	0.2	4.15 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{3}}$	5.92 $\times {10}^{-4}$	9.44 $\times {10}^{-5}$	0.9910	28.34
	0.4	4.48 $\times {10}^{-3}$	3.29 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{5}}$	3.43 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{5}}$	0.9895	28.81
	0.6	4.16 $\times {10}^{-3}$	4.86 $\times {10}^{-4}$	7.06 $\times {10}^{-5}$	0.9910	29.39
	0.8	4.16 $\times {10}^{-3}$	1.25 $\times {10}^{-3}$	2.39 $\times {10}^{-4}$	0.9910	25.68
	1.0	4.17 $\times {10}^{-3}$	6.83 $\times {10}^{-4}$	1.14 $\times {10}^{-4}$	0.9909	25.74
Backpropag.	0.2	7.60 $\times {10}^{-3}$	3.57 $\times {10}^{-2}$	6.41 $\times {10}^{-3}$	0.9698	25.18
	0.4	4.09 $\times {10}^{-3}$	2.00 $\times {10}^{-3}$	3.98 $\times {10}^{-4}$	0.9913	24.96
	0.6	4.06 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{3}}$	1.74 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{3}}$	3.02 $\mathbf{\times }{\mathbf{10}}^{\mathbf{-}\mathbf{4}}$	0.9914	25.12
	0.8	7.66 $\times {10}^{-3}$	3.58 $\times {10}^{-2}$	6.52 $\times {10}^{-3}$	0.9693	30.52
	1.0	8.17 $\times {10}^{-3}$	3.89 $\times {10}^{-2}$	7.12 $\times {10}^{-3}$	0.9651	25.51