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Articles

Data-driven adaptive selection of rule quality measures for improving rule induction and filtration algorithms

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Pages 594-613 | Received 29 Sep 2011, Accepted 18 Feb 2013, Published online: 30 May 2013
 

Abstract

This paper presents a proposal of a rule induction algorithm selecting a rule quality measure adaptively. The quality measure plays the role of an optimization criterion of the generated rules. Nine quality measures applied by the algorithm are presented and discussed in the paper. It is shown experimentally that the proposed algorithm provides us with obtaining a classifier of the best quality. During experiments, three criteria of the classifier quality were considered: overall accuracy, balanced accuracy (average accuracy of decision classes), and complexity of the classifier (understood to mean the number of induced rules). The experiments were carried out on 34 data sets coming from the UCI machine learning repository. Moreover, a proposal of four-rule filtration algorithms is presented in the paper. Their task is to limit the number of rules in the classifier. In particular, filtration influence on the classifier quality is studied.

Acknowledgments

The authors acknowledge three anonymous referrers for their constructive comments that significantly improved the presentation of the paper. The research of the first author was supported by the National Science Centre based on the decision DEC-2011/01/D/ST6/07007.

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