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EB RULES FOR SELECTING THE BEST EXPONENTIAL POPULATION
引用本文:高集体. EB RULES FOR SELECTING THE BEST EXPONENTIAL POPULATION[J]. 系统科学与复杂性, 1989, 0(4)
作者姓名:高集体
作者单位:Department of
基金项目:Supported by the National Natural Science Foundation of China
摘    要:In this paper,we obtain empirical Bayes(EB)procedures for selecting the bestamong k different exponential populations(the form of the conditional probability densitye.g.each population is f_4(x_i/b_i)=b_i exp(-b_ix_i),x_i,b_i∈(0,∞),i=1,2,…,k).These rulesare based on the EB estimators of b_i.We show that,under the squared error loss,the Bayesrisk of the EB estimators converges to the related minimum Bayes risks with rates of conver-gence at Jeast of order O(n~(-q)).Further,for the selection problem,the rates of convergenceof the proposed selection rules are shown to be at least of order O(n~((-q)/2) where q can bearbitrarily close to 1/5 or 1 under suitable conditions.


EB RULES FOR SELECTING THE BEST EXPONENTIAL POPULATION
Gao Jiti. EB RULES FOR SELECTING THE BEST EXPONENTIAL POPULATION[J]. Journal of Systems Science and Complexity, 1989, 0(4)
Authors:Gao Jiti
Abstract:
Keywords:Empirical Bayes rules  exponential population  asympotic optimal  convergence rates
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