这是输入4时候出现的，四个指标都选择了4阶
| Lag | LogL | LR | FPE | AIC | SC | HQ |
| | | | | | | |
| | | | | | | |
| 0 | -1.977533 | NA | 0.000361 | 0.585592 | 0.732630 | 0.600208 |
| 1 | 78.49141 | 123.0702 | 8.26e-08 | -7.822519 | -7.234369 | -7.764056 |
| 2 | 96.41517 | 21.08677* | 3.29e-08 | -8.872373 | -7.843109 | -8.770062 |
| 3 | 113.3436 | 13.94109 | 1.86e-08 | -9.805133 | -8.334757 | -9.658975 |
| 4 | 134.7400 | 10.06890 | 1.11e-08* | -11.26353* | -9.352045* | -11.07353* |
| | | | | | | |
这是输入5的时候出现的，三个指标都选择了5阶，但是FPE为NA
| Lag | LogL | LR | FPE | AIC | SC | HQ |
| | | | | | | |
| | | | | | | |
| 0 | -1.243082 | NA | 0.000341 | 0.530385 | 0.675246 | 0.537803 |
| 1 | 84.37836 | 128.4322 | 2.44e-08 | -9.047295 | -8.467853 | -9.017623 |
| 2 | 99.67899 | 17.21321 | 1.30e-08 | -9.834874 | -8.820851 | -9.782948 |
| 3 | 125.7289 | 19.53742* | 2.44e-09 | -11.96611 | -10.51751 | -11.89193 |
| 4 | 150.5152 | 9.294862 | 1.22e-09* | -13.93940 | -12.05621 | -13.84296 |
| 5 | 1100.154 | 0.000000 | NA | -131.5192* | -129.2015* | -131.4005* |
想问下有没有小伙伴也遇到这种情况，这时候改选4还是5呢，求各位大神指点！感激不尽
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