A New Generalized Modified Weibull Model: Simulating and Modeling the Dynamics of the COVID-19 Pandemic in Saudi Arabia and Egypt
Table 2
Point and interval estimation of the parameters .
Parameter
Init.
a
Point
Interval
B
ML
SE
LE1
LE2
GE
ML
2.6
0.99
0.73
2.9078
2.6908
2.6936
2.6841
2.6853
0.209 5.6066
2.594 2.945
2.5992 2.9463
2.5854 2.9426
2.587 2.9426
0.3078
0.0908
0.0936
0.0841
0.0853
5.3975
0.351
0.3471
0.3571
0.3556
1.8959
0.0301
0.0304
0.0295
0.0296
0.6359 5.1797
2.631 2.925
2.6332 2.9255
2.6194 2.9246
2.6214 2.925
4.5438
0.294
0.2923
0.3053
0.3035
3.2
0.01
0.47
2.9078
3.1875
3.1908
3.1798
3.1823
0.426 5.3896
2.853 3.283
2.8526 3.2869
2.8525 3.2718
2.8526 3.2764
−0.2922
−0.0125
−0.0092
−0.0202
−0.0177
4.9636
0.43
0.4344
0.4193
0.4238
1.6033
0.029
0.0289
0.0292
0.0291
0.8185 4.9971
2.881 3.245
2.8826 3.2498
2.8788 3.2331
2.879 3.2364
4.1785
0.364
0.3672
0.3543
0.3574
5.01
0.64
0.29
2.4463
5.0218
5.0254
5.0135
5.0182
0.0001 5.3299
4.753 5.263
4.7584 5.2657
4.7445 5.2582
4.7455 5.2611
−2.5636
0.0118
0.0154
0.0035
0.0082
5.3298
0.51
0.5072
0.5137
0.5156
2.1645
0.0296
0.0296
0.0297
0.0296
0.0188 4.8738
4.788 5.223
4.7911 5.2264
4.7821 5.2138
4.7857 5.2192
4.8551
0.435
0.4353
0.4317
0.4335
3.7
0.26
0.52
3.2558
3.4274
3.4283
3.4255
3.4262
0.2639 6.2477
3.308 3.39
3.3081 3.3902
3.3081 3.3887
3.3081 3.3891
−0.4442
−0.2726
−0.2717
−0.2745
−0.2738
5.9838
0.082
0.0822
0.0807
0.081
2.3301
0.0798
0.0794
0.0807
0.0803
0.7371 5.7745
3.312 3.384
3.3125 3.3846
3.3124 3.3836
3.3124 3.3841
5.0373
0.072
0.0721
0.0712
0.0717
Point estimate: the first line represents estimate, the second line represents bias, and the third line represents ER. Interval estimate: and interval estimate, respectively. The first and second lines show the credible HPD interval and the corresponding width of the parameter, respectively.
