Rule extraction from ensemble methods using aggregated decision trees

  • Authors:
  • Md. Ridwan Al Iqbal

  • Affiliations:
  • Department of Computer Science, American International University-Bangladesh (AIUB), Banani, Dhaka, Bangladesh

  • Venue:
  • ICONIP'12 Proceedings of the 19th international conference on Neural Information Processing - Volume Part II
  • Year:
  • 2012

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Abstract

Ensemble methods have become very well known for being powerful pattern recognition algorithms capable of achieving high accuracy. However, Ensemble methods produces learners that are not comprehensible or transferable thus making them unsuitable for tasks that require a rational justification for making a decision. Rule Extraction methods can resolve this limitation by extracting comprehensible rules from a trained ensembles of classifiers. In this paper, we present an algorithm called REEMTIC that uses a symbolic learning algorithm (Decision Tree) on each underlying classifier of the ensemble and combines them. Experiments and theoretical analysis show REEMTIC generates highly accurate rules that closely approximates the Ensemble Learned Model.