Is it important which rough-set-based classifier extraction and voting criteria are applied together?

  • Authors:
  • Dominik Ślęzak;Sebastian Widz

  • Affiliations:
  • Institute of Mathematics, University of Warsaw, Warsaw, Poland and Infobright Inc., Warsaw, Poland;XPLUS SA, Warsaw, Poland and Polish-Japanese Institute of Information Technology, Warsaw, Poland

  • Venue:
  • RSCTC'10 Proceedings of the 7th international conference on Rough sets and current trends in computing
  • Year:
  • 2010

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Abstract

We propose a framework for experimental verification whether mechanisms of voting among rough-set-based classifiers and criteria for extracting those classifiers from data should follow analogous mathematical principles. Moreover, we show that some of types of criteria perform better for high-quality data while the others are useful rather for low-quality data. The framework is based on the principles of approximate attribute reduction and probabilistic extensions of rough-set-based approach to data analysis. The framework is not supposed to produce the best-ever classification results, unless it is extended by some additional parameters known from the literature. Instead, our major goal is to illustrate in a possibly simplistic way that it is worth unifying mathematical background for the stages of learning and applying rough-set-based classifiers.