Comparing Pure Parallel Ensemble Creation Techniques Against Bagging

  • Authors:
  • Lawrence O. Hall;Kevin W. Bowyer;Robert E. Banfield;Divya Bhadoria;W. Philip Kegelmeyer;Steven Eschrich

  • Affiliations:
  • -;-;-;-;-;-

  • Venue:
  • ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
  • Year:
  • 2003

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Abstract

We experimentally evaluate randomization-based approachesto creating an ensemble of decision-tree classifiers.Unlike methods related to boosting, all of the eightapproaches considered here create each classifier in an ensembleindependently of the other classifiers. Experimentswere performed on 28 publicly available datasets, usingC4.5 release 8 as the base classifier. While each of the otherseven approaches has some strengths, we find that none ofthem is consistently more accurate than standard baggingwhen tested for statistical significance.