Sufficient dimension reduction through informative predictor subspace

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The purpose of this paper is to define the central informative predictor subspace to contain the central subspace and to develop methods for estimating the former subspace. Potential advantages of the proposed methods are no requirements of linearity, constant variance and coverage conditions in methodological developments. Therefore, the central informative predictor subspace gives us the benefit of restoring the central subspace exhaustively despite failing the conditions. Numerical studies confirm the theories, and real data analyses are presented.

Original languageEnglish
Pages (from-to)1086-1099
Number of pages14
Issue number5
StatePublished - 2 Sep 2016

Bibliographical note

Funding Information:
This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Korean Ministry of Education (NRF-2014R1A2A1A11049389/2009-0093827).

Publisher Copyright:
© 2016 Taylor & Francis.


  • central subspace
  • informative predictor subspace
  • linearity condition
  • regression
  • sufficient dimension reduction


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