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• W3134202938 abstract "Abstract Feature (or variable) selection from a large number of p features continuously challenges data science, especially for ever‐enlarging data and in discovering scientifically important features in a regression setting. For example, to develop valid drug targets for ovarian cancer, we must control the false‐discovery rate (FDR) of a selection procedure. The popular approach to feature selection in large‐ p regression uses a penalized likelihood or a shrinkage estimation, such as a LASSO, SCAD, Elastic Net, or MCP procedure. We present a different approach called the Subsampling Winner algorithm (SWA), which subsamples from p features. The idea of SWA is analogous to selecting US national merit scholars' that selects semifinalists based on student's performance in tests done at local schools (a.k.a. subsample analyses), and then determine the finalists (a.k.a. winning features) from the semifinalists. Due to its subsampling nature, SWA can scale to data of any dimension. SWA also has the best‐controlled FDR compared to the penalized and Random Forest procedures while having a competitive true‐feature discovery rate. Our application of SWA to an ovarian cancer data revealed functionally important genes and pathways." @default.
• W3134202938 created "2021-03-15" @default.
• W3134202938 creator A5057371969 @default.
• W3134202938 creator A5059393709 @default.
• W3134202938 date "2021-02-27" @default.
• W3134202938 modified "2023-10-18" @default.
• W3134202938 title "Subsampling from features in large regression to find “winning features”" @default.
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• W3134202938 doi "https://doi.org/10.1002/sam.11499" @default.
• W3134202938 hasPublicationYear "2021" @default.
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