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作者:

Yang, Yiping (Yang, Yiping.) | Xue, Liugen (Xue, Liugen.) (学者:薛留根) | Cheng, Weihu (Cheng, Weihu.) (学者:程维虎)

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摘要:

This article proposes a variable selection procedure for partially linear models with right-censored data via penalized least squares. We apply the SCAD penalty to select significant variables and estimate unknown parameters simultaneously. The sampling properties for the proposed procedure are investigated. The rate of convergence and the asymptotic normality of the proposed estimators are established. Furthermore, the SCAD-penalized estimators of the nonzero coefficients are shown to have the asymptotic oracle property. In addition, an iterative algorithm is proposed to find the solution of the penalized least squares. Simulation studies are conducted to examine the finite sample performance of the proposed method.

关键词:

Censored data Oracle property Partially linear models SCAD Variable selection

作者机构:

  • [ 1 ] [Yang, Yiping]Chongqing Technol & Business Univ, Coll Math & Stat, Chongqing 400067, Peoples R China
  • [ 2 ] [Xue, Liugen]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 3 ] [Cheng, Weihu]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China

通讯作者信息:

  • [Yang, Yiping]Chongqing Technol & Business Univ, Coll Math & Stat, Chongqing 400067, Peoples R China

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来源 :

COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION

ISSN: 0361-0918

年份: 2010

期: 8

卷: 39

页码: 1577-1589

0 . 9 0 0

JCR@2022

ESI学科: MATHEMATICS;

JCR分区:4

中科院分区:4

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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