Table 3. Summary of the forecast results of ANN models

Model	Network training (Training)		Network inspection (Testing)		R2***
	SSE*	RE**	SSE	RE
ANN 10-7-1	25.23	0.58	62.16	0.83	29.1%
ANN 10-5-1	34.07	0.85	25.64	0.94	12.9%
ANN 10-4-1	36.41	0.82	13.89	0.8	18.9%
ANN 10-3-1	36.72	0.89	52.81	0.92	11.5%
ANN 10-7-4-1	32.89	0.84	20.72	0.79	18.9%
ANN 10-5-3-1	38.96	0.87	10.02	1.29	8%
ANN 10-5-2-1	32.23	0.86	17.16	0.85	14.8%

sum of the mingled error
relative error
correlation coefficient