An Illustration of the Effect of Continuous Valued Discretisation in Data Analysis Using VPRSβ

Beynon, Malcolm James ORCID: https://orcid.org/0000-0002-5757-270X 2003. An Illustration of the Effect of Continuous Valued Discretisation in Data Analysis Using VPRSβ. Lecture Notes in Computer Science 2639 , pp. 354-357. 10.1007/3-540-39205-X_56

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Abstract

This paper explores the effect of the results from the continuous valued discretisation (CVD) of condition attributes in an analysis using the variable precision rough sets model (VPRSβ). With the utilisation of an ordered criteria for the identification of an associated β-reduct, a ‘leave n out’ approach is undertaken in the subsequent analysis. A small example problem is considered for which three alternative methods of CVD are used to intervalise the continuous condition attributes. For each CVD approach used 1500 decision tables are constructed and VPRSβ analysis undertaken.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Business (Including Economics)
Subjects:	H Social Sciences > H Social Sciences (General) Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Publisher:	Springer Verlag
ISSN:	0302-9743
Last Modified:	21 Oct 2022 09:50
URI:	https://orca.cardiff.ac.uk/id/eprint/37981

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