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Activity Number: 353
Type: Contributed
Date/Time: Tuesday, August 2, 2016 : 10:30 AM to 12:20 PM
Sponsor: Section on Statistical Learning and Data Science
Abstract #319731 View Presentation
Title: Penalized Principal Logistic Regression for Sparse Sufficient Dimension Reduction
Author(s): Seung Jun Shin* and Andreas Artemiou
Companies: Korea University and Cardiff University
Keywords: Max-SCAD penalty ; Principal logistic regression ; Sparse sufficient dimension reduction
Abstract:

The sufficient dimension reduction (SDR) is a successive tool for reducing dimensionality of predictors by finding the central subspace, a minimal subspace of predictors that preserves all the information of responses. When the predictor dimension is large, it is desired to have a sparse representation of the basis of the central subspace in order to achieve variable selection and dimension reduction simultaneously. In this article, we propose a principal logistic regression (PLR) as an efficient SDR tool and further develop its penalized version to achieve the sparse SDR. Both simulation studies and real data analysis show promising performance of the proposed method compared to the existing ones.


Authors who are presenting talks have a * after their name.

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