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Author:

Chen, Xin (Chen, Xin.) | Ma, Xuejun (Ma, Xuejun.) | Wang, Xueqin (Wang, Xueqin.) | Zhang, Jingxiao (Zhang, Jingxiao.)

Indexed by:

Scopus SCIE

Abstract:

Feature screening in ultrahigh-dimensional varying coefficient models is a crucial statistical problem in economics, genomics, etc. Current methods not only suffer from circumstances when the models involve multiple index variables or group predictor variables, but also cannot handle nonlinear varying coefficient models. To address these real life scenarios efficiently, we develop a screening procedure for ultrahigh-dimensional varying coefficient models utilizing conditional distance covariance (CDC). Extensive simulation studies and two real economic data examples show the effectiveness and the flexibility of our proposed method.

Keyword:

Varying coefficient models Multiple index variables Ultrahigh-dimensionality Conditional distance covariance Group variables

Author Community:

  • [ 1 ] [Chen, Xin]Natl Univ Singapore, Dept Stat & Appl Probabil, Singapore 117546, Singapore
  • [ 2 ] [Ma, Xuejun]Beijing Univ Technol, Coll Appl Sci, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Xueqin]Sun Yat Sen Univ, Southern China Ctr Stat Sci, Sch Math, Zhongshan Sch Med,Xinhua Coll, Guangzhou 510275, Guangdong, Peoples R China
  • [ 4 ] [Zhang, Jingxiao]Renmin Univ China, Sch Stat, Ctr Appl Stat, Beijing 100872, Peoples R China

Reprint Author's Address:

  • [Wang, Xueqin]Sun Yat Sen Univ, Southern China Ctr Stat Sci, Sch Math, Zhongshan Sch Med,Xinhua Coll, Guangzhou 510275, Guangdong, Peoples R China

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Source :

STATISTICS AND ITS INTERFACE

ISSN: 1938-7989

Year: 2017

Issue: 3

Volume: 10

Page: 407-412

0 . 8 0 0

JCR@2022

ESI Discipline: MATHEMATICS;

ESI HC Threshold:66

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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