Table S2. Residual white noise test and BIC value of alternative models.
| Stages | Alternative models | Whether the model was effective | BIC value |
| Note: "−" means not applicable. Abbreviation: BIC=Bayesian Information Criterion; ARIMA=autoregressive integrated moving average. | |||
| 1 | ARIMA (0,3,1) | No | − |
| ARIMA (0,3,2) | No | − | |
| ARIMA (0,3,3) | Yes | 597.69 | |
| 1–2 | ARIMA (1,3,0) | No | − |
| ARIMA (2,3,0) | Yes | 862.97 | |
| ARIMA (3,3,0) | No | − | |
| 1–3 | ARIMA (1,2,1) | Yes | 1,796.24 |
| ARIMA (2,2,1) | Yes | 1,797.92 | |
| ARIMA (3,2,1) | Yes | 1797.63 | |
| ARIMA (1,2,2) | Yes | 1797.47 | |
| ARIMA (2,2,2) | Yes | 1799.20 | |
| ARIMA (3,2,2) | Yes | 1799.50 | |
| ARIMA (1,2,3) | Yes | 1798.30 | |
| ARIMA (2,2,3) | Yes | 1797.16 | |
| ARIMA (3,2,3) | Yes | 1801.48 | |