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作者:

Du, Jiang (Du, Jiang.) (学者:杜江) | Zhang, Zhongzhan (Zhang, Zhongzhan.) (学者:张忠占) | Xie, Tianfa (Xie, Tianfa.)

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SSCI EI Scopus SCIE

摘要:

In this article, we study model selection and model averaging in quantile regression. Under general conditions, we develop a focused information criterion and a frequentist model average estimator for the parameters in quantile regression model, and examine their theoretical properties. The new procedures provide a robust alternative to the least squares method or likelihood method, and a major advantage of the proposed procedures is that when the variance of random error is infinite, the proposed procedure works beautifully while the least squares method breaks down. A simulation study and a real data example are presented to show that the proposed method performs well with a finite sample and is easy to use in practice.

关键词:

Focused information criterion Model selection Model uncertainty Primary 62F35 Quantile regression Secondary 62E20

作者机构:

  • [ 1 ] [Du, Jiang]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Zhongzhan]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Xie, Tianfa]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

通讯作者信息:

  • 张忠占

    [Zhang, Zhongzhan]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China

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来源 :

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS

ISSN: 0361-0926

年份: 2013

期: 20

卷: 42

页码: 3716-3734

0 . 8 0 0

JCR@2022

ESI学科: MATHEMATICS;

ESI高被引阀值:64

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: 5

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

近30日浏览量: 2

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