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

Table 3

ARCH test.

𝐹-statistic	2.357606	Probability	0.124818
Obs*R-squared	2.357220	Probability	0.124704
Method: Least Squares
Variable	Coefficient	Std. Error	𝑡-Statistic	Prob.
𝐶	0.722515	0.034614	20.87338	0.0000
RESID^∧2(−1)	0.032836	0.021386	1.535450	0.1248
𝑅-squared	0.001078	Mean dependent var		0.747041
Adjusted 𝑅-squared	0.083768	S.D. dependent var		0.833057
S.E. of regression	0.797402	Akaike info criterion		2.259945
Sum squared resid	1383.610	Schwarz criterion		2.288566
Log likelihood	−2460.250	𝐹-statistic		20.98596
Durbin-Watson stat	1.936123	Prob (𝐹-statistic)		0.000000