Research Article
Modelling the COVID-19 Mortality Rate with a New Versatile Modification of the Log-Logistic Distribution
Table 6
MLE model parameter estimators and goodness-of-fit tests for the COVID-19 data.
| | Distributions | Estimates | W∗ | A∗ | |
| | LLT () | = 5.904
= 4.814 | 0.199 | 1.067 | 0.169 (0.206) |
| | llog (α, ) | = 6.388
= 4.633 | 0.203 | 1.089 | 0.169 (0.109) |
| | Gompertz (α, ) | = 0.365
= 0.021 | 0.221 | 1.266 | 0.181 (0.016) |
| | Kappa (α, ) | = 58.227
= 11.071 | 0.322 | 1.856 | 0.267 (0.002) |
| | Exp LL (α, , ) | = 1.050
= 4.561
= 6.285 | 0.210 | 1.085 | 0.197 (0.113) |
| | Beta LL (α, , , ) | = 5.431
= 20.368
= 1.360
= 17.705 | 0.214 | 1.075 | 0.178 (0.104) |
| | Kum LL (α, , , ) | = 2.319
= 5.749
= 2.182
= 7.903
| 0.201 | 1.071 | 0.161 (0.101) |
| | Mo-LL (α, , ) | = 6.064
= 4.633
= 4.330 | 0.203 | 1.089 | 0.169 (0.109) |
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