Relationship between diversity and correlation in multi-classifier systems

  • Authors:
  • Kuo-Wei Hsu;Jaideep Srivastava

  • Affiliations:
  • University of Minnesota, Minneapolis, MN;University of Minnesota, Minneapolis, MN

  • Venue:
  • PAKDD'10 Proceedings of the 14th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining - Volume Part II
  • Year:
  • 2010

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Abstract

Diversity plays an important role in the design of Multi-Classifier Systems, but its relationship to classification accuracy is still unclear from a theoretical perspective As a step towards the solution of this probelm, we take a different route and explore the relationship between diversity and correlation In this paper we provide a theoretical analysis and present a nonlinear function that relates diversity to correlation, which hence can be further related to accuracy This paper contributes to connecting existing research in diversity and correlation, and also providing a proxy to the relationship between diversity and accuracy Our experimental results reveal deeper insights into the role of diversity in Multi-Classifier Systems.