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

Table 5

The errors of GARCH model and ES-GARCH model.

	GARCH model			ES-GARCH model
	MAE	MRE		MAE	MRE
Spring	0.685473	38.4771%	Spring	0.508807	30.3502%
Summer	0.85133	36.1763%	Summer	0.635077	24.7349%
Autumn	0.720126	34.0685%	Autumn	0.552815	27.3681%
Winter	0.437071	27.7405%	Winter	0.301493	21.5989%
Total error	0.674836	34.2643%	Total error	0.500040	26.0001%