Expected Posterior Priors in Selecting the Largest Mean of the Exponential Distributions

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题名:	Expected Posterior Priors in Selecting the Largest Mean of the Exponential Distributions
作者:	Fan,TH;Jian,WK
贡献者:	統計研究所
关键词:	MODEL SELECTION;BAYES FACTORS
日期:	2009
上传时间:	2010-06-29 19:33:23 (UTC+8)
出版者:	中央大學
摘要:	In reliability theory or survival analysis, selecting the largest mean among many exponential distributions is an important issue. Such a problem can also be viewed as a model selection problem via the Bayesian approach. It is well known that Bayes factors under proper priors have been very successful in Bayesian model selection or testing problems. However, Bayes factors are typically invalid with respect to improper noninformative priors. Objective Bayesian criteria are thus desired. In this work, we consider to use the expected posterior priors originally proposed by Perez and Berger (2002) to select the largest exponential mean. Specific expected posterior priors are derived in recursive formulas. Some simulation results are also given to illustrate the method.
關聯:	COMMUNICATIONS IN STATISTICS-THEORY AND METHODS
显示于类别:	[統計研究所] 期刊論文

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