摘要
讨论了生长曲线模型(1.1)中协差矩阵的二次型估计在齐次和非齐次估计类中的可容许性问题,并得到了相应的充要条件。
This paper discusses the problem about adm issibility of hom ogenous andnon hom ogenous estim ate ofcovariance m atrix in grow th curve m odeland gets the necessaryand sufficientconditions.
出处
《铁道师院学报》
1999年第4期8-13,共6页
Journal of Suzhou Railway Teachers College(Natural Science Edition)
关键词
生长曲线模型
协方差矩阵
非方次估计
齐次估计
grow th curve m odel, covariance m atrix, hom ogenous and non hom ogenousestim ate, Adm issibility
