作者
Jiachen Chen, Ruofan Bie, Yichen Qin, Yang Li, Shuangge Ma
发表日期
2022/11/20
期刊
Statistics in Medicine
卷号
41
期号
26
页码范围
5220-5241
出版商
John Wiley & Sons, Inc.
简介
Ultrahigh and high dimensional data are common in regression analysis for various fields, such as omics data, finance, and biological engineering. In addition to the problem of dimension, the data might also be contaminated. There are two main types of contamination: outliers and model misspecification. We develop an unique method that takes into account the ultrahigh or high dimensional issues and both types of contamination. In this article, we propose a framework for feature screening and selection based on the minimum Lq‐likelihood estimation (MLqE), which accounts for the model misspecification contamination issue and has also been shown to be robust to outliers. In numerical analysis, we explore the robustness of this framework under different outliers and model misspecification scenarios. To examine the performance of this framework, we conduct real data analysis using the skin cutaneous …
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