Another proposal about the new two-parameter estimator for linear regression model with correlated regressors

被引:24
作者
Ahmad, Shakeel [1 ]
Aslam, Muhammad [1 ]
机构
[1] Bahauddin Zakariya Univ, Dept Stat, Multan, Pakistan
关键词
Liu estimator; Mean squared error matrix; Multicollinearity; New two-parameter estimator; Two-parameter estimator; RIDGE-REGRESSION; BIASED-ESTIMATORS; ERROR; PERFORMANCE;
D O I
10.1080/03610918.2019.1705975
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
In this article, we present a new general class of biased estimators which includes some popular estimators as special cases and discuss its properties for multiple linear regression models when regressors are correlated. This proposal is based on some modification in the existing new two-parameter estimator. Performance of the proposed estimator is compared with many of the leading estimators, using the mean squared error matrix criterion, mitigating the adverse effects of multicollinearity. An extensive simulation study has been provided with a numerical example to illustrate the superiority of the proposed estimator.
引用
收藏
页码:3054 / 3072
页数:19
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