摘要
将线性模型中定义的一种新相对效率e4(β)=min1≤i≤pλi(Covβ*)λi(Covβ)推广到权回归模型中,并研究了它的下界以及它与某些广义相关系数之间的关系。
A new relative efficiencies in linear model in reference is instructed it into the linear weighted regression. It＇s lower bounds and the relation between some generalized coefficients are also proposed.
出处
《科学技术与工程》
2009年第20期6139-6141,共3页
Science Technology and Engineering
关键词
权回归模型
相对效率广义相关系数
linear weighted regression relative efficiency generalized coeffient
