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A test of inflated zeros for Poisson regression models
Excessive zeros are common in practice and may cause overdispersion and invalidate inference when fitting Poisson regression models. There is a large body of literature on zero-inflated Poisson models. However, methods for testing whether there are excessive zeros are less well developed. The Vuong...
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| Pubblicato in: | Stat Methods Med Res |
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| Autori principali: | , , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
2017
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6345607/ https://ncbi.nlm.nih.gov/pubmed/29284370 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/0962280217749991 |
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