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A probit- log- skew-normal mixture model for repeated measures data with excess zeros, with application to a cohort study of paediatric respiratory symptoms

BACKGROUND: A zero-inflated continuous outcome is characterized by occurrence of "excess" zeros that more than a single distribution can explain, with the positive observations forming a skewed distribution. Mixture models are employed for regression analysis of zero-inflated data. Moreove...

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Autors principals: Mahmud, Sadia, Lou, WY Wendy, Johnston, Neil W
Format: Artigo
Idioma:Inglês
Publicat: BioMed Central 2010
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC2902491/
https://ncbi.nlm.nih.gov/pubmed/20540810
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-10-55
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