Mathematics – Statistics Theory
Scientific paper
2008-05-21
IMS Collections 2008, Vol. 3, 71-81
Mathematics
Statistics Theory
Published in at http://dx.doi.org/10.1214/074921708000000066 the IMS Collections (http://www.imstat.org/publications/imscollec
Scientific paper
10.1214/074921708000000066
This paper develops some objective priors for certain parameters of the bivariate normal distribution. The parameters considered are the regression coefficient, the generalized variance, and the ratio of the conditional variance of one variable given the other to the marginal variance of the other variable. The criterion used is the asymptotic matching of coverage probabilities of Bayesian credible intervals with the corresponding frequentist coverage probabilities. The paper uses various matching criteria, namely, quantile matching, matching of distribution functions, highest posterior density matching, and matching via inversion of test statistics. One particular prior is found which meets all the matching criteria individually for all the parameters of interest.
Ghosh Malay
Kim Dalho
Santra Upasana
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