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单词 Lehmann–Scheffé theorem
释义
Lehmann–Scheffé theorem

Statistics
  • If T is a sufficient statistic (see estimator) for the parameter θ, then the minimum variance unbiased estimator of θ is given by E(θ̂|T), where θ̂ is any unbiased estimator of θ. The theorem, published in 1950, is an extension of the Rao–Blackwell theorem.


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