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WROCŁAW UNIVERSITY
OF SCIENCE AND
TECHNOLOGY

Contents of PMS, Vol. 9, Fasc. 2,
pages 13 - 27
 

ON IMPROVING UNBIASED ESTIMATORS BY MULTIPLICATION WITH A MATRIX

Stefan Zontek

Abstract: Consider a random n -vector Y with a mean vector m and finite second moments. Under some assumptions on the model there is constructed a class of linear estimators as good as a given unbiased linear estimator of parametric function C'm. For some parametric functions there are identified those estimators in the constructed class which are admissible for C'm.

2000 AMS Mathematics Subject Classification: Primary: -; Secondary: -;

Key words and phrases: -

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