efficiency of covariance 中文意思是什麼

efficiency of covariance 解釋
協方差的效率
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  • of : OF =Old French 古法語。
  • covariance : n. 【統計學】協方差,協變性;共離散。
  1. Abstract : for the linear weighted regression model, influence measure of covariance matr ix perturbation and estimate efficiency of regression parameter have been analyz ed on the basis of the regression diagnosis, and the lower bounds of the two eff iciencies have been given

    文摘:針對線性加權回歸模型,從統計診斷的角度分析了協方差陣擾動的影響度量和回歸系數的估計效率,並給出了2種效率的下界
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