聚集数据的线性模型参数估计的加权相对效率

The Weighted Relative Efficiencies of Parameter Estimators in Linear Model with Aggregated Data

就聚集数据的线性模型参数估计的相对效率，作者提出一种新的定义──加权相对效率，并给出其上、下界．同时还讨论了加权相对效率与文献［２］中相对效率的关系．

For the relative efficiencies of parameter estimators in linear model with agsregated data,the weighted relative efficiencies are proposed and their lower or upper bounds are given in this paper.Theirs relation with the efficiency which is discussed by Duan Qingting[2] is shown.