Smooth component analysis as ensemble method for prediction improvement

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

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

  • Venue:
  • ICA'07 Proceedings of the 7th international conference on Independent component analysis and signal separation
  • Year:
  • 2007

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Abstract

In this paper we apply a novel smooth component analysis algorithm as ensemble method for prediction improvement. When many prediction models are tested we can treat their results as multivariate variable with the latent components having constructive or destructive impact on prediction results. We show that elimination of those destructive components and proper mixing of those constructive can improve the final prediction results. The validity and high performance of our concept is presented on the problem of energy load prediction.