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Jackknifed Liu Estimator in Linear Regression Models
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作者 HU Hongchang XIA Yuhe 《Wuhan University Journal of Natural Sciences》 CAS 2013年第4期331-336,共6页
In this paper, we introduce a generalized Liu estimator and jackknifed Liu estimator in a linear regression model with correlated or heteroscedastic errors. Therefore, we extend the Liu estimator. Under the mean squar... In this paper, we introduce a generalized Liu estimator and jackknifed Liu estimator in a linear regression model with correlated or heteroscedastic errors. Therefore, we extend the Liu estimator. Under the mean square error(MSE), the jackknifed estimator is superior to the Liu estimator and the jackknifed ridge estimator. We also give a method to select the biasing parameter for d. Furthermore, a numerical example is given to illustvate these theoretical results. 展开更多
关键词 linear regression model correlated or heteroscedastic errors generalized liu estimator jackknifed liu estimator mean square error
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