Bayesian inference for skew-normal linear mixed models

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dc.contributor.authorArellano Valle, R. B.
dc.contributor.authorBolfarine, H.
dc.contributor.authorLachos, V. H.
dc.date.accessioned2024-01-10T12:37:46Z
dc.date.available2024-01-10T12:37:46Z
dc.date.issued2007
dc.description.abstractLinear mixed models (LMM) are frequently used to analyze repeated measures data, because they are more flexible to modelling the correlation within-subject, often present in this type of data. The most popular LMM for continuous responses assumes that both the random effects and the within-subjects errors are normally distributed, which can be an unrealistic assumption, obscuring important features of the variations present within and among the units ( or groups). This work presents skew-normal liner mixed models (SNLMM) that relax the normality assumption by using a multivariate skew-normal distribution, which includes the normal ones as a special case and provides robust estimation in mixed models. The MCMC scheme is derived and the results of a simulation study are provided demonstrating that standard information criteria may be used to detect departures from normality. The procedures are illustrated using a real data set from a cholesterol study.
dc.fechaingreso.objetodigital2024-05-08
dc.format.extent20 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1080/02664760701236905
dc.identifier.eissn1360-0532
dc.identifier.issn0266-4763
dc.identifier.urihttps://doi.org/10.1080/02664760701236905
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76920
dc.identifier.wosidWOS:000248859600002
dc.information.autorucMatemática;Arellano-Valle R;S/I;58107
dc.issue.numero6
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final682
dc.pagina.inicio663
dc.publisherTAYLOR & FRANCIS LTD
dc.revistaJOURNAL OF APPLIED STATISTICS
dc.rightsacceso restringido
dc.subjectBayesian inference
dc.subjectMCMC
dc.subjectGibbs sampler
dc.subjectmultivariate skew-normal distribution
dc.subjectskewness
dc.subjectDISTRIBUTIONS
dc.subject.ods03 Good Health and Well-being
dc.subject.odspa03 Salud y bienestar
dc.titleBayesian inference for skew-normal linear mixed models
dc.typeartículo
dc.volumen34
sipa.codpersvinculados58107
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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