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A comparison between Poisson and zero-inflated Poisson regression models with an application to number of black spots in Corriedale sheep
Dark spots in the fleece area are often associated with dark fibres in wool, which limits its competitiveness with other textile fibres. Field data from a sheep experiment in Uruguay revealed an excess number of zeros for dark spots. We compared the performance of four Poisson and zero-inflated Pois...
| Autores principales: | , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2008
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2674908/ https://www.ncbi.nlm.nih.gov/pubmed/18558072 http://dx.doi.org/10.1186/1297-9686-40-4-379 |