Variable Selection for Semiparametric Partially Linear Covariate-Adjusted Regression Models

Jiang Du, Gaorong Li and Heng Peng

Communications in Statistics - Theory and Methods, 2015, vol. 44, issue 13, 2809-2826

Abstract: In this article, the partially linear covariate-adjusted regression models are considered, and the penalized least-squares procedure is proposed to simultaneously select variables and estimate the parametric components. The rate of convergence and the asymptotic normality of the resulting estimators are established under some regularization conditions. With the proper choices of the penalty functions and tuning parameters, it is shown that the proposed procedure can be as efficient as the oracle estimators. Some Monte Carlo simulation studies and a real data application are carried out to assess the finite sample performances for the proposed method.

Date: 2015
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DOI: 10.1080/03610926.2013.788715

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