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Consistent nonnegative estimates of variance components

✍ Scribed by Li-wen Xu; Song-gui Wang; Jian-hong Shi

Book ID
106301370
Publisher
Institute of Applied Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society
Year
2009
Tongue
English
Weight
209 KB
Volume
26
Category
Article
ISSN
0168-9673

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Consider the independent Wishart matrices \(S_{1} \sim W\left(\Sigma+\lambda \theta, q_{1}\right)\) and \(S_{2} \sim\) \(W\left(\Sigma, q_{2}\right)\), where \(\Sigma\) is an unknown positive definite (p.d.) matrix, \(\theta\) is an unknown nonnegative definite (n.n.d.) matrix, and \(\lambda\) is a