Rank-based sequential feature selection for high-dimensional accelerated failure time models with main and interaction effects

Ke Yu and Shan Luo

Computational Statistics & Data Analysis, 2024, vol. 197, issue C

Abstract: High-dimensional accelerated failure time (AFT) models are commonly used regression models in survival analysis. Feature selection problem in high-dimensional AFT models is addressed, considering scenarios involving solely main effects or encompassing both main and interaction effects. A rank-based sequential feature selection (RankSFS) method is proposed, the selection consistency is established and illustrated by comparing it with existing methods through extensive numerical simulations. The results show that RankSFS achieves a higher Positive Discovery Rate (PDR) and lower False Discovery Rate (FDR). Additionally, RankSFS is applied to analyze the data on Breast Cancer Relapse. With a remarkable short computational time, RankSFS successfully identifies two crucial genes.

Keywords: Accelerated failure time models; Feature selection; Interaction effects; Rank-based; Sequential (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:csdana:v:197:y:2024:i:c:s0167947324000628

DOI: 10.1016/j.csda.2024.107978

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