Prior Distributions for Objective Bayesian Analysis

Guido Consonni, Dimitris Fouskakis, Brunero Liseo, Ioannis Ntzoufras

Risultato della ricerca: Contributo in rivistaArticolo in rivista

20 Citazioni (Scopus)

Abstract

We provide a review of prior distributions for objective Bayesian analysis. We start by examining some foundational issues and then organize our exposition into priors for: i) estimation or prediction; ii) model selection; iii) highdimensional models. With regard to i), we present some basic notions, and then move to more recent contributions on discrete parameter space, hierarchical models, nonparametric models, and penalizing complexity priors. Point ii) is the focus of this paper: it discusses principles for objective Bayesian model comparison, and singles out some major concepts for building priors, which are subsequently illustrated in some detail for the classic problem of variable selection in normal linear models. We also present some recent contributions in the area of objective priors on model space.With regard to point iii) we only provide a short summary of some default priors for high-dimensional models, a rapidly growing area of research.
Lingua originaleEnglish
pagine (da-a)627-679
Numero di pagine53
RivistaBayesian Analysis
Volume13
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • objective Bayes, model comparison, criteria for model choice, noninformative prior, reference prior, variable selection, high-dimensional model

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