下面是选择了intercept选项的结果:
| Null Hypothesis: R has a unit root |
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| Exogenous: Constant |
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| Lag Length: 0 (Automatic based on SIC, MAXLAG=23) | ||||
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| t-Statistic | Prob.* |
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Augmented Dickey-Fuller test statistic | -37.98467 | 0.0000 | ||
| Test critical values: | 1% level |
| -3.434815 |
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| 5% level |
| -2.863399 |
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| 10% level |
| -2.567809 |
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请高手指点,万分感谢!!


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