The Forecasting Procedure for Long-Term Wind Speed in the Zhangye Area

Table 4

The errors of ARMA model and ES-ARMA model.

	ARMA model			ES-ARMA model
	MAE	MRE		MAE	MRE
Spring	0.527913	34.6678%	Spring	0.488744	31.3714%
Summer	0.669174	25.4236%	Summer	0.616475	27.4234%
Autumn	0.562325	27.9945%	Autumn	0.51789	27.4116%
Winter	0.515766	40.4048%	Winter	0.342647	25.6505%
Total error	0.569286	32.086%	Total error	0.485655	27.4126%