| 模型 | AIC | Log likelihood | 模型 | AIC | Log likelihood |
| ARIMA(3, 1, 2) | 6466.43 | −3227.21 | ARIMA(4, 1, 3) | 6463.93 | −3223.97 |
| ARIMA(3, 1, 3) | 6464.34 | −3225.17 | ARIMA(4, 1, 8) | 6462.07 | −3218.04 |
| ARIMA(3, 1, 6) | 6466.05 | −3223.25 | ARIMA(7, 1, 2) | 6465.93 | −3222.97 |
| ARIMA(3, 1, 8) | 6462.88 | −3219.44 | ARIMA(7, 1, 3) | 6467.52 | −3222.76 |
| ARIMA(4, 1, 2) | 6468.23 | −3227.12 | ARIMA(7, 1, 6) | 6464.09 | −3218.05 |