Table 1: Vuong non-nested test results.
|
Model comparison |
Vuong Test Statistic (p-value) |
Preferable Model |
|
Poisson Vs. Negative Binomial |
-19.33141 (2,22e-16) |
Negative binomial |
|
Negative binomial Vs. ZIP |
-16.55746 (2,22e-16) |
ZIP |
|
ZIP Vs. ZINB |
-7.913903 (1.2472e-15) |
ZINB |
|
ZINB Vs. Poisson Hurdle |
7.990348 (6.6613e-16) |
ZINB |
|
ZINB Vs. NB Hurdle |
2.199229 (0.013931) |
ZINB |