Using Differential Geometry for Sparse High-Dimensional Risk Regression Models
Models for Data Analysis(2023)
摘要
With the introduction of high-throughput technologies in clinical and epidemiological studies, the need for inferential tools that are able to deal with fat data-structures, i.e., relatively small number of observations compared to the number of features, is becoming more prominent. In this paper we propose an extension of the dgLARS method to high-dimensional risk regression models. The main idea of the proposed method is to use the differential geometric structure of the partial likelihood function in order to select the optimal subset of covariates.
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关键词
differential geometry,risk,models,high-dimensional
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