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On unbiased and improved loss estimation for the mean of a multivariate normal distribution with unknown variance 期刊论文
JOURNAL OF STATISTICAL PLANNING AND INFERENCE, 2004, 卷号: 119, 期号: 1, 页码: 17-22
作者:  Wan, ATK;  Zou, GH
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James-Stein estimator  positive-part rule  risk  quadratic loss