使用eviews5.0版本进行ADF检验 ,那么滞后阶数看那里的啊?
Null Hypothesis: X has a unit root
Exogenous: Constant, Linear Trend
Lag Length: 0 (Automatic based on SIC, MAXLAG=10)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -4.360649 0.0051
Test critical values: 1% level -4.121303
5% level -3.487845
10% level -3.172314
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation
Dependent Variable: D(X)
Method: Least Squares
Date: 05/13/09 Time: 11:11
Sample (adjusted): 1994Q2 2008Q4
Included observations: 59 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
X(-1) -0.131361 0.030124 -4.360649 0.0001
C -0.202064 0.056459 -3.578948 0.0007
@TREND(1994Q1) 0.003232 0.000831 3.887048 0.0003
R-squared 0.310905 Mean dependent var 0.032948
Adjusted R-squared 0.286294 S.D. dependent var 0.021294
S.E. of regression 0.017989 Akaike info criterion -5.148577
Sum squared resid 0.018122 Schwarz criterion -5.042940
Log likelihood 154.8830 F-statistic 12.63299
Durbin-Watson stat 1.032013 Prob(F-statistic) 0.000030


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