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December 2011 Neutral-data comparisons for Bayesian testing
Dan J. Spitzner
Bayesian Anal. 6(4): 603-638 (December 2011). DOI: 10.1214/11-BA623


A novel approach to evidence assessment in Bayesian hypothesis testing is proposed, in the form of a "neutral-data comparison." The proposed assessment is similar to a Bayes factor, but, rather than comparing posterior to prior odds, it compares the posterior odds of the observed data to that calculated on "neutral" data, which arise as part of the elicitation of prior knowledge. The article develops a general theory of neutral-data comparisons, motivated largely by the Jeffreys-Lindley paradox, and develops methodology for specifying and working with neutral data in the context of Gaussian linear-models analysis. The proposed methodology is shown to exhibit exceptionally strong asymptotic-consistency properties in high dimensions, and, in an application example, to accommodate challenging analysis objectives using basic computational algorithms.


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Dan J. Spitzner. "Neutral-data comparisons for Bayesian testing." Bayesian Anal. 6 (4) 603 - 638, December 2011.


Published: December 2011
First available in Project Euclid: 13 June 2012

zbMATH: 1330.62155
MathSciNet: MR2869959
Digital Object Identifier: 10.1214/11-BA623

Rights: Copyright © 2011 International Society for Bayesian Analysis


Vol.6 • No. 4 • December 2011
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