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Bias in 2-part mixed models for longitudinal semicontinuous data
Semicontinuous data in the form of a mixture of zeros and continuously distributed positive values frequently arise in biomedical research. Two-part mixed models with correlated random effects are an attractive approach to characterize the complex structure of longitudinal semicontinuous data. In pr...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Oxford University Press
2009
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2648907/ https://www.ncbi.nlm.nih.gov/pubmed/19136448 http://dx.doi.org/10.1093/biostatistics/kxn044 |