Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R

This article describes the BMS (Bayesian model sampling) package for R that implements Bayesian model averaging for linear regression models. The package excels in allowing for a variety of prior structures, among them the "binomial-beta" prior on the model space and the so-called "hy...

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Main Authors: Stefan Zeugner, Martin Feldkircher
Format: Article
Language:English
Published: Foundation for Open Access Statistics 2015-11-01
Series:Journal of Statistical Software
Subjects:
Online Access:https://www.jstatsoft.org/index.php/jss/article/view/699
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author Stefan Zeugner
Martin Feldkircher
author_facet Stefan Zeugner
Martin Feldkircher
author_sort Stefan Zeugner
collection DOAJ
description This article describes the BMS (Bayesian model sampling) package for R that implements Bayesian model averaging for linear regression models. The package excels in allowing for a variety of prior structures, among them the "binomial-beta" prior on the model space and the so-called "hyper-g" specifications for Zellner's g prior. Furthermore, the BMS package allows the user to specify her own model priors and offers a possibility of subjective inference by setting "prior inclusion probabilities" according to the researcher's beliefs. Furthermore, graphical analysis of results is provided by numerous built-in plot functions of posterior densities, predictive densities and graphical illustrations to compare results under different prior settings. Finally, the package provides full enumeration of the model space for small scale problems as well as two efficient MCMC (Markov chain Monte Carlo) samplers that sort through the model space when the number of potential covariates is large.
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spelling doaj.art-59858f2e83154ceeb4ce36ba2458687a2022-12-22T03:33:51ZengFoundation for Open Access StatisticsJournal of Statistical Software1548-76602015-11-0168113710.18637/jss.v068.i04962Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for RStefan ZeugnerMartin FeldkircherThis article describes the BMS (Bayesian model sampling) package for R that implements Bayesian model averaging for linear regression models. The package excels in allowing for a variety of prior structures, among them the "binomial-beta" prior on the model space and the so-called "hyper-g" specifications for Zellner's g prior. Furthermore, the BMS package allows the user to specify her own model priors and offers a possibility of subjective inference by setting "prior inclusion probabilities" according to the researcher's beliefs. Furthermore, graphical analysis of results is provided by numerous built-in plot functions of posterior densities, predictive densities and graphical illustrations to compare results under different prior settings. Finally, the package provides full enumeration of the model space for small scale problems as well as two efficient MCMC (Markov chain Monte Carlo) samplers that sort through the model space when the number of potential covariates is large.https://www.jstatsoft.org/index.php/jss/article/view/699hyper-g priorbinomial-beta priorempirical Bayescustomized prior inclusion probabilitiesBMSR
spellingShingle Stefan Zeugner
Martin Feldkircher
Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
Journal of Statistical Software
hyper-g prior
binomial-beta prior
empirical Bayes
customized prior inclusion probabilities
BMS
R
title Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
title_full Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
title_fullStr Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
title_full_unstemmed Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
title_short Bayesian Model Averaging Employing Fixed and Flexible Priors: The BMS Package for R
title_sort bayesian model averaging employing fixed and flexible priors the bms package for r
topic hyper-g prior
binomial-beta prior
empirical Bayes
customized prior inclusion probabilities
BMS
R
url https://www.jstatsoft.org/index.php/jss/article/view/699
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