Model | Correlation Structure | QIC |
---|
Negative binomial GEE2 | Exchangeable | 11328 |
 | Non-stationary | 11626 |
 | 2nd order autoregressive | 11647 |
 | Stationary | 11664 |
 | 1st order autoregressive | 11668 |
Poisson GEE2 | 2nd order autoregressive | 12007 |
 | Stationary | 12056 |
 | 1st order autoregressive | 12409 |
 | Exchangeable | 13605 |
 | Non-stationary | Did not converge |
- 1Generalized estimating equation
- 2Quasi-log- likelihood under the independence model information criterion
- Comparison of QIC2 statistic values for negative binomial or Poisson models using a GEE1 approach to investigate the association between condemnation rates in Ontario Provincial abattoirs and year, season, animal class, price, year-animal class interaction and audit rating.