Why one must use reweighting in estimation of distribution algorithms

  • Authors:
  • Fabien Teytaud;Olivier Teytaud

  • Affiliations:
  • TAO (Inria), U. Paris-Sud, Orsay, France;TAO (Inria), U. Paris-Sud, Orsay, France

  • Venue:
  • Proceedings of the 11th Annual conference on Genetic and evolutionary computation
  • Year:
  • 2009

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Abstract

We study the update of the distribution in Estimation of Distribution Algorithms, and show that a simple modification leads to unbiased estimates of the optimum. The simple modification (based on a proper reweighting of estimates) leads to a strongly improved behavior in front of premature convergence.