Geography of Differences between Two Classes of Data

  • Authors:
  • Jinyan Li;Limsoon Wong

  • Affiliations:
  • -;-

  • Venue:
  • PKDD '02 Proceedings of the 6th European Conference on Principles of Data Mining and Knowledge Discovery
  • Year:
  • 2002

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Abstract

Easily comprehensible ways of capturing main differences between two classes of data are investigated in this paper. In addition to examining individual differences, we also consider their neighbourhood. The new concepts are applied to three gene expression datasets to discover diagnostic gene groups. Based on the idea of prediction by collective likelihoods (PCL), a new method is proposed to classify testing samples. Its performance is competitive to several state-of-the-art algorithms.