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On geometry of the set of admissible invariant quadratic estimators in balanced two variance components model

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Abstract

Two variance components model for which each invariant quadratic admissible estimator of a linear function of variance components (under quadratic loss function) is a linear combination of two quadratic forms,Z 1,Z 2, say, is considered. A setD={(d 1,d 2):d 1 Z 1+d 2 Z 2 is admissible} is described by giving formulae on the boundary ofD. Different forms of the setD are presented on figures.

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Neumann, K., Zontek, S. On geometry of the set of admissible invariant quadratic estimators in balanced two variance components model. Statistical Papers 45, 67–80 (2004). https://doi.org/10.1007/BF02778270

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  • DOI: https://doi.org/10.1007/BF02778270

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