Table 2 Test for overdispersion
From: Bayesian zero-inflated regression model with application to under-five child mortality
Model | Df | Value | Value/Df | Poisson Vs Negative Binomial |
|---|---|---|---|---|
Deviance | H0: \(\varnothing \)=0 Vs H1: \(\varnothing \)>0 z = 10.926, p-value < 2.2e−16 Beast model: Negative Binomial | |||
Poisson | 10,259 | 9387.67 | 1.095 | |
NB | 10,259 | 7552.41 | 0.736 | |
Person | ||||
Poisson | 10,259 | 11,947.39 | 1.165 | |
NB | 10,259 | 9939.28 | 0.969 | |