用eviews做arma模型的房价指数预测,现在通过归一化处理房价指数数据,进行一阶差分后,进行单位根检验,然后建立arma(2,1)模型,我想问下建模后,怎么在eviews上得到拟合的MSE(拟合的均方误差)?谢谢
Null Hypothesis: D(GYX) has a unit root
Exogenous: None
Lag Length: 1 (Fixed)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -3.489311 0.0007
Test critical values: 1% level -2.592452
5% level -1.944666
10% level -1.614261
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation
Dependent Variable: D(GYX,2)
Method: Least Squares
Date: 03/06/14 Time: 10:42
Sample (adjusted): 2005M11 2012M11
Included observations: 85 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(GYX(-1)) -0.294246 0.084328 -3.489311 0.0008
D(GYX(-1),2) 0.008696 0.109988 0.079061 0.9372
R-squared 0.144251 Mean dependent var 0.000349
Adjusted R-squared 0.133941 S.D. dependent var 0.047815
S.E. of regression 0.044498 Akaike info criterion -3.363492
Sum squared resid 0.164347 Schwarz criterion -3.306018
Log likelihood 144.9484 Hannan-Quinn criter. -3.340375
Durbin-Watson stat 1.986638



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