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KO40003002-00000099-0001  
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Title
Title Predictive Bayesian model selection  
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Creator
Name 安道, 知寛  
Kana アンドウ, トモヒロ  
Romanization Ando, Tomohiro  
Affiliation 慶應義塾大学経営管理研究科准教授  
Affiliation (Translated) Graduate School of Business Administration, Keio University  
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Place
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Name 慶應義塾経営管理学会  
Kana ケイオウ ギジュク ケイエイ カンリ ガッカイ  
Romanization Keio gijuku keiei kanri gakkai  
Date
Issued (from:yyyy) 2009  
Issued (to:yyyy)  
Created (yyyy-mm-dd)  
Updated (yyyy-mm-dd)  
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Physical description
20 p.  
Source Title
Name 慶應義塾経営管理学会リサーチペーパー・シリーズ  
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Issue 99  
Year 2009  
Month 7  
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Abstract
The problem of evaluating the goodness of the predictive distributions of Bayesian models is investigated. To evaluate the Bayesian model, deviance information criteria (DIC) has been extensively employed in various study areas, thanks to its simplicity of calculation from the posterior output. Unfortunately, it is also true that the DIC has been criticized due to the over fitting. Inheriting the simplicity form of DIC, we propose a new criterion that overcomes the over fitting problem. Under the model misspecification situation, the proposed criterion is developed by correcting the asymptotic bias of the posterior mean of the likelihood as an estimate of its expected likelihood. The proposed criteria are robust to any improper priors. Monte Carlo simulations are conducted to investigate the properties of the proposed criteria. We also show that the proposed criteria can avoid over fitting problem.
 
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Keyword
Effective number of parameters  

Empirical Bayes  

Markov chain Monte Carlo  

Model misspecification  

Hierarchical Bayesian model  
NDC
 
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Language
英語  
Type of resource
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Technical Report  
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Jul 12, 2012 09:00:00  
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Jul 12, 2012 09:00:00  
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