| Actual Cost | |||
exponential model | delayed S-shaped model | infection S-shaped model | ||
parameter |
| 1.325 × 106 | 1.317 × 106 | 2.728 × 106 |
| 9.286 × 10−3 | 2.387 × 10−2 | 1.253 × 10−2 | |
c | - | - | 3.283 × 101 | |
| 4.840 × 10−3 | 2.762 × 10−3 | 1.011 × 10−3 | |
AIC | 1229.007 | 1163.817 | 1205.231 |