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Admissible estimates in the important class of estimates of the covariance matrix - MaRDI portal

Admissible estimates in the important class of estimates of the covariance matrix

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Publication:1344119

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zbMath0810.62015MaRDI QIDQ1344119

Publication date: 6 April 1995

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

quadratic forms covariance matrix Bartlett decomposition convex loss function complete subclass invariant estimates nonnegative quadratic estimates sufficient and complete statistics transformation group of upper-triangular matrices

Mathematics Subject Classification ID

Estimation in multivariate analysis (62H12) Foundations and philosophical topics in statistics (62A01) Admissibility in statistical decision theory (62C15)

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