The noise identification method based on divergence analysis in ensemble methods context

  • Authors:
  • Ryszard Szupiluk;Piotr Wojewnik;Tomasz Zabkowski

  • Affiliations:
  • Polska Telefonia Cyfrowa Ltd., and Warsaw School of Economics, Warsaw, Poland;Polska Telefonia Cyfrowa Ltd., and Warsaw School of Economics, Warsaw, Poland;Polska Telefonia Cyfrowa Ltd. and Warsaw University of Life Sciences, Warsaw, Poland

  • Venue:
  • ICANNGA'11 Proceedings of the 10th international conference on Adaptive and natural computing algorithms - Volume Part II
  • Year:
  • 2011

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Abstract

In this paper we propose a divergence based method for noise detection in ensemble method context where the prediction results from different models are treated as a multidimensional variable that contains constructive and destructive latent components. The crucial stage is the proper destructive and constructive components classification. We propose to calculate the noisiness of the particular latent component as the divergence from chosen reference noise. It allows us to identify the wide range of noises besides the typical signals with close analytical form such as Gaussian or uniform. The real data experiment with load energy prediction confirms presented methodology.