Learning Processes to Predict the Hourly Global, Direct, and Diffuse Solar Irradiance from Daily Global Radiation with Artificial Neural Networks

Table 2

Statistics for different methods of estimation of G_h.

Model	nMAE (%)	nRMSE (%)	R^2
Liu-Jordan	15.6	20.2	0.91
(C-P&R)	14.3	18.8	0.92
FFNN (testing)	12.0	13.1	0.96