A Method to Classify Data by Fuzzy Rule Extraction from Imbalanced Datasets

  • Authors:
  • Vicenç Soler;Jesus Cerquides;Josep Sabria;Jordi Roig;Marta Prim

  • Affiliations:
  • Dept. Microelectrònica i Sistemes Electrònics, Universitat Autònoma de Barcelona, Spain;WAI Research Group, Dept. Anaysis and Applied Mathematics, University of Barcelona, Spain;Dept. Gynecology & Obstetrics, Hospital Universitari Dr. Josep Trueta, Girona, Spain;Dept. Microelectrònica i Sistemes Electrònics, Universitat Autònoma de Barcelona, Spain;Dept. Microelectrònica i Sistemes Electrònics, Universitat Autònoma de Barcelona, Spain

  • Venue:
  • Proceedings of the 2006 conference on Artificial Intelligence Research and Development
  • Year:
  • 2006

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Abstract

We propose a method based on fuzzy rules for the classification of imbalanced datasets when understandability is an issue. We propose a new method for fuzzy variable construction based on modifying the set of fuzzy variables obtained by the RecBF/DDA algorithm. Later, these variables are combined into fuzzy rules by means of a Genetic Algorithm. The method has been developed for the detection of Down's syndrome in fetus. We provide empirical results showing its accuracy for this task. Furthermore, we provide more generic experimental results over UCI datasets proving that the method can have a wider applicability.