A method of investigating a significance of input variables in non-linear high-dimensional systems

  • Authors:
  • Izabela Rejer;Andrzej Piegat

  • Affiliations:
  • University of Szczecin, Mickiewicza 64, Szczecin, Poland;Technical University of Szczecin, Zolnierska 49, Szczecin, Poland

  • Venue:
  • Artificial intelligence and security in computing systems
  • Year:
  • 2003

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Abstract

This article introduces a new method of investigating a significance of input variables in non-linear multi-dimensional systems. The main advantage of the proposed method, in comparison to other widely used methods, is that it allows to investigate the significance of input variables in larger subspaces of analysed system. The article presents not only theoretical basis of the proposed method but also a practical example which aim is to build a ranking of significance for a 19-dimensional system of an unemployment rate in Poland in years 1992 - 1999.