TABLE 5.
Average CPO (Pr(Yi=d|y−i)) for litters with d stillborn piglets, in Yorkshire, for the following models: Poisson (P), zero-inflated Poisson (ZIP), negative binomial (NB), zero-inflated negative binomial (ZINB), binomial (B), zero-inflated binomial (ZIB)
| d | P | ZIP | NB | ZINB | B | ZIB |
|---|---|---|---|---|---|---|
| 0 | 0.377 | 0.432 | 0.393 | 0.396 | 0.405 | 0.421 |
| 1 | 0.278 | 0.262 | 0.262 | 0.255 | 0.283 | 0.255 |
| 2 | 0.162 | 0.153 | 0.158 | 0.160 | 0.174 | 0.166 |
| 3 | 0.094 | 0.089 | 0.091 | 0.096 | 0.110 | 0.107 |
| 4 | 0.057 | 0.054 | 0.054 | 0.057 | 0.072 | 0.068 |
| >4 |
0.026 |
0.025 |
0.023 |
0.025 |
0.036 |
0.029 |