PC准则下生长曲线模型回归参数阵岭估计的优良性  

The Superiority about a Ridge Estimator of Regression Parameter under Pitman Closeness Criterion

作　　者：张日权[1] 

机构地区：[1]雁北师范学院数学系,山西大同037000

出　　处：《工程数学学报》2000年第1期113-116,共4页Chinese Journal of Engineering Mathematics

摘　　要：将 PC准则推广应用于生长曲线模型参数阵的最小二乘估计和岭估计优劣性的比较 。In this paper,Pitman Closeness Criterion is popularized,and used to compare the Least Square Estimation and a ridge estimation.The condition under which the ridge estimation is superior to the Least Square Estimation under Pitman Closeness Criterion is get.

关 键 词：PC准则 生长曲线模型 岭估计 回归参数 优良性 

分 类 号：O212.4[理学—概率论与数理统计]