Fuzzy confirmation measures

  • Authors:
  • David H. Glass

  • Affiliations:
  • School of Computing and Mathematics, University of Ulster, Newtownabbey, Co. Antrim, BT37 0QB, UK

  • Venue:
  • Fuzzy Sets and Systems
  • Year:
  • 2008

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Abstract

This paper proposes a number of measures for assessing the quality of fuzzy association rules. The focus is on a particular class of measures which are fuzzy counterparts of probabilistic confirmation measures. The distinguishing feature of such measures is that they are based on probabilistic (in)dependence and so a corresponding definition of fuzzy (in)dependence is proposed. This forms the basis for the definition of a fuzzy confirmation measure and for proposing a number of such measures based on a well-known fuzzy confidence measure. Various properties are considered to narrow the field of viable fuzzy confirmation measures, with one particular measure being found to have a number of advantages.