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Rough Set-Based Feature Selection: A Review

Richard Jensen

Source Title: Rough Computing: Theories, Technologies and Applications

ISBN13: 9781599045528|ISBN10: 1599045524|ISBN13 Softcover: 9781616927448|EISBN13: 9781599045542

DOI: 10.4018/978-1-59904-552-8.ch003

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MLA

Jensen, Richard. "Rough Set-Based Feature Selection: A Review." Rough Computing: Theories, Technologies and Applications, edited by Aboul Ella Hassanien, et al., IGI Global, 2008, pp. 70-107. https://doi.org/10.4018/978-1-59904-552-8.ch003

APA

Jensen, R. (2008). Rough Set-Based Feature Selection: A Review. In A. Hassanien, Z. Suraj, D. Slezak, & P. Lingras (Eds.), Rough Computing: Theories, Technologies and Applications (pp. 70-107). IGI Global. https://doi.org/10.4018/978-1-59904-552-8.ch003

Chicago

Jensen, Richard. "Rough Set-Based Feature Selection: A Review." In Rough Computing: Theories, Technologies and Applications, edited by Aboul Ella Hassanien, et al., 70-107. Hershey, PA: IGI Global, 2008. https://doi.org/10.4018/978-1-59904-552-8.ch003

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Abstract

Feature selection aims to determine a minimal feature subset from a problem domain while retaining a suitably high accuracy in representing the original features. Rough set theory (RST) has been used as such a tool with much success. RST enables the discovery of data dependencies and the reduction of the number of attributes contained in a dataset using the data alone, requiring no additional information. This chapter describes the fundamental ideas behind RST-based approaches and reviews related feature selection methods that build on these ideas. Extensions to the traditional rough set approach are discussed, including recent selection methods based on tolerance rough sets, variable precision rough sets and fuzzy-rough sets. Alternative search mechanisms are also highly important in rough set feature selection. The chapter includes the latest developments in this area, including RST strategies based on hill-climbing, genetic algorithms and ant colony optimization.

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Rough Set-Based Feature Selection: A Review

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