Post-processing clustering to reduce XCS variability

  • Authors:
  • Flavio Baronti;Alessandro Passaro;Antonina Starita

  • Affiliations:
  • Università di Pisa, Largo B. Pontecorvo, Pisa, Italy;Università di Pisa, Largo B. Pontecorvo, Pisa, Italy;Università di Pisa, Largo B. Pontecorvo, Pisa, Italy

  • Venue:
  • GECCO '05 Proceedings of the 7th annual workshop on Genetic and evolutionary computation
  • Year:
  • 2005

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Abstract

XCS is a stochastic algorithm, so it does not guarantee to produce the same results when run with the same input. When interpretability matters, obtaining a single, stable result is important. We propose an algorithm to join the rules produced from many XCS runs, based on a measure of distance between rules. We also suggest a general definition for such a measure, and show the results obtained on a complex data set.