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Electrostatic Views of Stein-type Estimation of Location Vectors
Coulomb potential function electrostatics estimating function Green's formula James-Stein estimator James-Stein positive-part estimator Pythagorean relationship
2009/3/10
Stein-type estimation of location vectors is discussed with the aid of the theory of electrostatics. We consider a class of estimating functions and assess the superiority of an estimating equation by...