A New Hybrid Model Based on Data Preprocessing and an Intelligent Optimization Algorithm for Electrical Power System Forecasting

Table 2

Comparison of E-MFA-BP with different numbers of hidden nodes.

Number of hidden nodes	MAPE (%)
	Wind speed	Electrical load	Electricity price
3	3.95	1.32	5.50
4	3.89	1.33	5.49
5	3.86	1.31	5.48
6	3.86	1.23	5.56
7	3.87	1.26	5.43
8	3.93	1.27	5.50
9	3.98	1.25	5.48
10	3.90	1.29	5.48
11	3.88	1.30	5.47
12	3.92	1.27	5.44