最小二乘估计精度及其界限
The Inefficiency of the Least Squares Estimator and Its Bound
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摘要: Puntanen[1]提出用均方误差来度量最小二乘估计的精度,以后Styan[2],Rao[3]等相继讨论了这种精度及其界限.本文考虑采用广义方差,从而引进了一种新的最小二乘估计精度的度量并讨论了它的界.Abstract: It was suggested by Pantanen[1] that the mean squared error may be used to measure the inefficiency of the least squares estimator.Styan[2] and Rao[3] et al.discussed this inefficiency and it's bound later.In this paper we propose a new inefficiency of the least squares estimator with the measure of generalized variance and obtain its bound.
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