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• W4384525165 endingPage "e15666" @default.
• W4384525165 startingPage "e15666" @default.
• W4384525165 abstract "With the rapid development in technology, large amounts of high-dimensional data have been generated. This high dimensionality including redundancy and irrelevancy poses a great challenge in data analysis and decision making. Feature selection (FS) is an effective way to reduce dimensionality by eliminating redundant and irrelevant data. Most traditional FS approaches score and rank each feature individually; and then perform FS either by eliminating lower ranked features or by retaining highly-ranked features. In this review, we discuss an emerging approach to FS that is based on initially grouping features, then scoring groups of features rather than scoring individual features. Despite the presence of reviews on clustering and FS algorithms, to the best of our knowledge, this is the first review focusing on FS techniques based on grouping. The typical idea behind FS through grouping is to generate groups of similar features with dissimilarity between groups, then select representative features from each cluster. Approaches under supervised, unsupervised, semi supervised and integrative frameworks are explored. The comparison of experimental results indicates the effectiveness of sequential, optimization-based (i.e., fuzzy or evolutionary), hybrid and multi-method approaches. When it comes to biological data, the involvement of external biological sources can improve analysis results. We hope this work's findings can guide effective design of new FS approaches using feature grouping." @default.
• W4384525165 created "2023-07-18" @default.
• W4384525165 creator A5045376875 @default.
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• W4384525165 creator A5091900270 @default.
• W4384525165 creator A5092485737 @default.
• W4384525165 date "2023-07-17" @default.
• W4384525165 modified "2023-09-26" @default.
• W4384525165 title "Review of feature selection approaches based on grouping of features" @default.
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