变量 | 差分阶数 | t | P | AIC | 临界值 | ||
1% | 5% | 10% | |||||
上海市新增确诊人数 | 0 | −0.304 | 0.925 | 782.016 | −3.571 | −2.923 | −2.599 |
1 | −3.28 | 0.016** | 765.059 | −3.575 | −2.924 | −2.6 | |
2 | −4.543 | 0.000*** | 740.394 | −3.578 | −2.925 | −2.601 |