Mapping and Estimation of Monthly Global Solar Irradiation in Different Zones in Souss-Massa Area, Morocco, Using Artificial Neural Networks

Table 1

Error values and the correlation coefficient of different ANN configuration models.

Configurations	Number of neurons in hidden layer	MAE	RMSE/rRMSE	R
Lat, Long, Al, Mn	34	0.248	0.314 (5.46%)	0.974
Lat, Long, Al, Mn, Sh	34	0.249	0.312 (5.43%)	0.975
Lat, Long, Al, Mn, Sh, T	27	0.227	0.286 (4.97%)	0.979
Lat, Long, Al, Mn, Sh, H	33	0.204	0.262 (4.56%)	0.983
Lat, Long, Al, Mn, T	32	0.233	0.294 (5.11%)	0.978
Lat, Long, Al, Mn, H	34	0.217	0.274 (4.77%)	0.980
Lat, Long, Al, Mn, Sh, T, H	25	0.184	0.234 (4.07%)	0.988