Informative g-Priors for Mixed Models

Bibliographic Details
Title: Informative g-Priors for Mixed Models
Authors: Yu-Fang Chien, Haiming Zhou, Timothy Hanson, Theodore Lystig
Source: Stats, Vol 6, Iss 1, Pp 169-191 (2023)
Publisher Information: MDPI AG, 2023.
Publication Year: 2023
Collection: LCC:Statistics
Subject Terms: prior elicitation, g-priors, linear regression, Bayesian model selection, mixed models, variable selection, Statistics, HA1-4737
More Details: Zellner’s objective g-prior has been widely used in linear regression models due to its simple interpretation and computational tractability in evaluating marginal likelihoods. However, the g-prior further allows portioning the prior variability explained by the linear predictor versus that of pure noise. In this paper, we propose a novel yet remarkably simple g-prior specification when a subject matter expert has information on the marginal distribution of the response yi. The approach is extended for use in mixed models with some surprising but intuitive results. Simulation studies are conducted to compare the model fitting under the proposed g-prior with that under other existing priors.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2571-905X
Relation: https://www.mdpi.com/2571-905X/6/1/11; https://doaj.org/toc/2571-905X
DOI: 10.3390/stats6010011
Access URL: https://doaj.org/article/49e892a46ce54894a0c1262db99fbd22
Accession Number: edsdoj.49e892a46ce54894a0c1262db99fbd22
Database: Directory of Open Access Journals
More Details
ISSN:2571905X
DOI:10.3390/stats6010011
Published in:Stats
Language:English