A Rough-Hybrid Approach to Software Defect Classification

Authors:
Sheela Ramanna;Rajen Bhatt;Piotr Biernot
Affiliations:
Department of Applied Computer Science, University of Winnipeg, Winnipeg, Manitoba R3B 2E9, Canada;Samsung India Software Center, Noida-201305, Uttar Pradesh, India;Department of Applied Computer Science, University of Winnipeg, Winnipeg, Manitoba R3B 2E9, Canada
Venue:
RSFDGrC '07 Proceedings of the 11th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
Year:
2009

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Abstract

Knowledge discovery methods used to find relationships among software engineering data and the extraction of rules have gained increasing importance in recent years. These methods have become necessary for improvements in the quality of the software product and the process. The focus of this paper is a first attempt towards combining strengths of rough set theory and neuro-fuzzy decision trees in classifying software defect data. We compare classification results for four methods: rough sets, neuro-fuzzy decision trees, partial decision trees, rough-neuro-fuzzy decision trees. The analysis of the results include a family-wise 10 fold paired t-test for accuracy and number of rules. The contribution of this paper is the application of a hybrid rough-neuro-fuzzy decision tree method in classifying software defect data.