Title
On the choice of a noninformative prior for Bayesian inference of discretized normal observations
Abstract
We consider the task of Bayesian inference of the mean of normal observations when the available data have been discretized and when no prior knowledge about the mean and the variance exists. An application is presented which illustrates that the discretization of the data should not be ignored when their variability is of the order of the discretization step. We show that the standard (noninformative) prior for location-scale family distributions is no longer appropriate. We work out the reference prior of Berger and Bernardo, which leads to different and more reasonable results. However, for this prior the posterior also shows some non-desirable properties. We argue that this is due to the inherent difficulty of the considered problem, which also affects other methods of inference. We therefore complement our analysis by an empirical Bayes approach. While such proceeding overcomes the disadvantages of the standard and reference priors and appears to provide a reasonable inference, it may raise conceptual concerns. We conclude that it is difficult to provide a widely accepted prior for the considered problem.
Year
DOI
Venue
2012
10.1007/s00180-011-0251-7
Computational Statistics
Keywords
DocType
Volume
conceptual concern,reasonable result,available data,empirical Bayes approach,Bayesian inference,discretized normal observation,considered problem,bayesian inference · noninformative prior · grouped data,prior knowledge,reference prior,discretization step,reasonable inference
Journal
27
Issue
ISSN
Citations 
2
1613-9658
0
PageRank 
References 
Authors
0.34
1
2
Name
Order
Citations
PageRank
Clemens Elster19614.27
Ignacio Lira211.07