| 原假设 | 特征值 | t统计量 | 5%显著性水平临界值 | P值 |
变化期 | None* | 0.290259 | 393.9498 | 29.79707 | 0.0000 |
At most 1* | 0.272153 | 236.9220 | 15.49471 | 0.0000 | |
At most 2* | 0.180968 | 91.43156 | 3.841465 | 0.0000 |