Table 2: Model fit comparison using Akaike information criterion (AIC).
|
|
Poisson |
NB |
ZIP |
ZINB |
P Hurdle |
NB Hurdle |
|
AIC |
19848.84 |
16447.28 |
14685.94 |
14392.90 |
14763.04 |
14396.75 |
|
-2Log-likelihood |
19818.84 |
16415.28 |
14613.94 |
14330.90 |
14703.04 |
14334.75 |
|
Df |
15 |
16 |
36 |
31 |
30 |
31 |