研究文章
潜在的增长曲线建模COVID-19病例存在时变协变量
表3
估计系数的所有国家数据的各种模型从2020年8月到2021年7月。
|
| 截距和斜率: |
|
线性 |
二次 |
指数 |
潜在的 |
多相 |
|
| τ0 |
77.1223 |
77.5197 |
77.5291 |
77.2063 |
77.0714 |
| τ1 |
−0.0554 |
−0.3052 |
−0.0486 |
−0.2633 |
−0.5005 |
| τ2 |
|
0.0240 |
|
|
0.2096 |
| λ(率) |
|
|
15.9286 |
|
|
| λ1 |
|
|
|
−0.1469 |
|
| λ2 |
|
|
|
0.3803 |
|
| λ3 |
|
|
|
0.7973 |
0.2749 |
| λ4 |
|
|
|
1.6157 |
0.0705 |
| λ5 |
|
|
|
2.1637 |
0.8472 |
| λ6 |
|
|
|
2.4558 |
|
| λ7 |
|
|
|
2.4272 |
0.2223 |
| λ8 |
|
|
|
1.9969 |
0.7587 |
| λ9 |
|
|
|
1.5036 |
1.2315 |
| λ10 |
|
|
|
1.1624 |
1.3624 |
|
| 协方差: |
|
|
|
|
|
| τ0↔τ0 |
231.1603 |
634.8185 |
−7.1813 |
322.9.86 |
354.4765 |
| τ1↔τ1 |
22.4033 |
383.8042 |
4.2484 |
402.1072 |
2508.8822 |
| τ2↔τ2 |
1428.2694 |
3.4922 |
|
|
|
| τ0↔τ1 |
−446.6204 |
−18.0949 |
−268.0263 |
−605.1945 |
−46.4837 |
| τ0↔τ2 |
39.8306 |
35.6665 |
|
|
|
| τ1↔τ2 |
|
−35.5733 |
|
|
−1029.3199 |
|
|
|
|