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不等式约束下线性模型中回归系数的所有可容许估计

何道江, 郭大伟   

  1. 安徽师范大学 数学系, 安徽省 芜湖 241000
  • 收稿日期:2005-12-06 修回日期:1900-01-01 出版日期:2006-11-26 发布日期:2006-08-26
  • 通讯作者: 郭大伟

All Admissible Linear Estimators of Regression Coefficientin a Linear Model with Respect to an Inequality Constraint

HE Daojiang, GUO Dawei   

  1. Department of Mathematics, Anhui Normal University, Wuhu 241000, Anhui Province, China
  • Received:2005-12-06 Revised:1900-01-01 Online:2006-11-26 Published:2006-08-26
  • Contact: GUO Dawei

摘要: 对于线性模型Y=Xβ+ε, ε~N(0,V]), V>0已知, 给出了在不等式约束RXβ≥0下[WTHX]β[WT]的线性估计在二次损失下及一切估计类中为可容许的充要条件.

关键词: 不等式约束, 线性估计, 一切估计类, 可容许

Abstract: For the linear model Y=Xβ+ε, ε~N(0,V[), with the constraint RXβ≥0, where V>0 is known, the necessary and sufficient conditions for a linear estimator of β to be admissible in the class of all estimators are obtained.

Key words: inequality constraint, linear estimator, class of all estimators, admissible