Self-poised ensemble learning

  • Authors:
  • Ricardo Ñanculef;Carlos Valle;Héctor Allende;Claudio Moraga

  • Affiliations:
  • Departamento de Informática, Universidad Federico Santa María, Valparaíso, Chile;Departamento de Informática, Universidad Federico Santa María, Valparaíso, Chile;Departamento de Informática, Universidad Federico Santa María, Valparaíso, Chile;Dortmund Universitaet, Dortmund, Deutschland

  • Venue:
  • IDA'05 Proceedings of the 6th international conference on Advances in Intelligent Data Analysis
  • Year:
  • 2005

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Abstract

This paper proposes a new approach to train ensembles of learning machines in a regression context. At each iteration a new learner is added to compensate the error made by the previous learner in the prediction of its training patterns. The algorithm operates directly over values to be predicted by the next machine to retain the ensemble in the target hypothesis and to ensure diversity. We expose a theoretical explanation which clarifies what the method is doing algorithmically and allows to show its stochastic convergence. Finally, experimental results are presented to compare the performance of this algorithm with boosting and bagging in two well-known data sets.