Minimax estimation under convex loss when the parameter interval is bounded |
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Authors: | Dr. J. Eichenauer-Herrmann Prof. Dr. W. Fieger |
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Affiliation: | 1. Technische Hochschule Darmstadt, Fachbereich Mathematik, Arbeitsgruppe Stochastik und Operations Research, Schlo?gartenstr. 7, D-6100, Darmstadt, FRG 2. Fakult?t für Mathematik, Institut für Mathematische Statistik, Universit?t Karlsruhe, Englerstr. 2, D-7500, Karlsruhe 1, FRG
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Abstract: | In the present paper families of truncated distributions with a Lebesgue density forx=(x 1,...,x n ) ε ℝ n are considered, wheref 0:ℝ → (0, ∞) is a known continuous function andC n (ϑ) denotes a normalization constant. The unknown truncation parameterϑ which is assumed to belong to a bounded parameter intervalΘ=[0,d] is to be estimated under a convex loss function. It is studied whether a two point prior and a corresponding Bayes estimator form a saddle point when the parameter interval is sufficiently small. |
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Keywords: | Minimax estimation bounded parameter interval family of truncated distributions uniform distribution convex loss function least favourable two point prior |
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