Research Article Open Access

Bayesian and Maximum Likelihood Solutions: An Asymptotic Comparison Related to Cost Function

Mechakra Hadda1, Chadli Asssia1 and Tiah Naceur2
  • 1 Badji Mokhtar University, Algeria
  • 2 , Algeria

Abstract

Problem statement: Wald showed that the minimax solution is the Bayesian solution with respect to the law a priori the worst. We try to establish a similar result by comparing the Bayesian solution and the solution of maximum likelihood when the parameter space is a compact metrizable group. Approach: we take as a priori law Haar measure because we reduce the problem by invariance. We construct a sequence of cost functions for which we obtain a sequence of solutions Bayesian which converges to the solution of the maximum likelihood. Results: We show that both solutions are asymptotically equal. Conclusion/Recommendation: The generalization when the parameter space is a local compact group.

Journal of Mathematics and Statistics
Volume 8 No. 2, 2012, 296-310

DOI: https://doi.org/10.3844/jmssp.2012.296.310

Submitted On: 22 February 2012 Published On: 4 July 2012

How to Cite: Hadda, M., Asssia, C. & Naceur, T. (2012). Bayesian and Maximum Likelihood Solutions: An Asymptotic Comparison Related to Cost Function. Journal of Mathematics and Statistics, 8(2), 296-310. https://doi.org/10.3844/jmssp.2012.296.310

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Keywords

  • Decision theory cost function
  • haar measure
  • bayesian solution
  • maximum likelihood solution
  • topological group
  • multivoc function
  • measurability
  • a priori law