|
| 摘要: |
| 考虑带等式约束的奇异线性模型的参数估计,为了克服复共线性问题,提出了一个新的Liu型估计;同时给出这个估计的一些性质,并且得到了这个新的Liu型估计在均方误差矩阵准则(MSEM)下优于约束最小二乘法估计的充要条件;得到在均方误差(MSE)准则下新估计优于约束最小二乘估计的充分条件; |
| 关键词: Liu型估计 约束最小二乘估计 均方误差 均方误差矩阵 |
| DOI: |
| 分类号: |
| 基金项目: |
|
| Liu-type Estimator on Singular Linear Model with Linear Equation Restriction |
|
LIAO Xun
|
| Abstract: |
| This paper considers parameter on singular linear model with equation restriction,presents a new Liu-type Estimator in order to overcome collinearity some properties for this … |
| Key words: Liu-type Estimator restricted least square estimator mean square error mean square error matrix |