Scalable Sparse Cox's Regression for Large-Scale Survival Data via Broken Adaptive Ridge
Abstract
This paper develops a new scalable sparse Cox regression tool for sparse high-dimensional massive sample size (sHDMSS) survival data. The method is a local L_0penalized Cox regression via repeatedly performing reweighted L_2penalized Cox regression. We show that the resulting estimator enjoys the best of L_0 and L_2penalized Cox regressions while overcoming their limitations. Specifically, the estimator is selection consistent,...
Paper Details
Title
Scalable Sparse Cox's Regression for Large-Scale Survival Data via Broken Adaptive Ridge
Published Date
Nov 7, 2018
Journal
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