University of Newcastle upon Tyne

School of Mathematics and Statistics

Statistics Seminars 2004-2005

1 July 2005, L401, 2:15pm

Professor Murray Aitkin, University of Melbourne

Abstract

Bayesian analyses of the galaxy velocity data (Roeder JASA 1990) are disconcertingly diverse in their posterior distributions for the number of components in the normal mixture. This talk examines the use of the posterior distribution of the likelihood, used in the DIC. This distribution can be used directly without any penalty function; this use is illustrated on the galaxy data to address the title question.

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