考虑线性模型 Y=Xβ+ε,Y 是可观察的 n 维向量,ε和β是不可观察的 n 维和 p 维随机向量;E(β)=Aα,VAR(β)=σ~2△≥0;E(ε)=0,VAR(ε)=σ~2V≥0;E(εβ')=0;X,A,△,V 皆为已知矩阵;α∈R^k,σ>0皆为未知参数,本文首次提出矩阵损...考虑线性模型 Y=Xβ+ε,Y 是可观察的 n 维向量,ε和β是不可观察的 n 维和 p 维随机向量;E(β)=Aα,VAR(β)=σ~2△≥0;E(ε)=0,VAR(ε)=σ~2V≥0;E(εβ')=0;X,A,△,V 皆为已知矩阵;α∈R^k,σ>0皆为未知参数,本文首次提出矩阵损失函数,并给出了(Sα,Qβ)的估计(L_1Y+α,L_2Y+b)在非齐次估计类中可容许的充要条件。展开更多
In this paper,we consider the admissibility for nonhomogeneous linear estimates on regression coefficients and parameters in multivariate random effect linear model and give eight definitions of different forms for ad...In this paper,we consider the admissibility for nonhomogeneous linear estimates on regression coefficients and parameters in multivariate random effect linear model and give eight definitions of different forms for admissibility. We not only prove that they can be divided into three identical subclasses,but also gain three kinds of necessary and sufficient conditions.展开更多
文摘考虑线性模型 Y=Xβ+ε,Y 是可观察的 n 维向量,ε和β是不可观察的 n 维和 p 维随机向量;E(β)=Aα,VAR(β)=σ~2△≥0;E(ε)=0,VAR(ε)=σ~2V≥0;E(εβ')=0;X,A,△,V 皆为已知矩阵;α∈R^k,σ>0皆为未知参数,本文首次提出矩阵损失函数,并给出了(Sα,Qβ)的估计(L_1Y+α,L_2Y+b)在非齐次估计类中可容许的充要条件。
文摘In this paper,we consider the admissibility for nonhomogeneous linear estimates on regression coefficients and parameters in multivariate random effect linear model and give eight definitions of different forms for admissibility. We not only prove that they can be divided into three identical subclasses,but also gain three kinds of necessary and sufficient conditions.