Spearman's Rank Correlation Coefficient for Vague Preferences


Grzegorzewski P., Ziembinska P.

9th International Conference on Flexible Query Answering Systems (FQAS 2011), Ghent, Belgium, 26 - 28 October 2011, vol.7022, pp.342-344 identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 7022
  • City: Ghent
  • Country: Belgium
  • Page Numbers: pp.342-344
  • Keywords: Information retrieval, recommender systems, association measures, Spearman's rank correlation coefficient, independence, preferences, orderings, ranks, IF-sets, FUZZY-SETS

Abstract

The problem of measuring association between preference systems in situations with missing information or noncomparable outputs is discussed. A new generalization of Spearman's Rho is suggested. Moreover, it is shown how to apply the suggested coefficient for testing independence.