Investigation of rule interestingness in medical data mining

  • Authors:
  • Miho Ohsaki;Shinya Kitaguchi;Hideto Yokoi;Takahira Yamaguchi

  • Affiliations:
  • Faculty of Engineering, Doshisha University, Kyoto, Japan;Faculty of Information, Shizuoka University, Shizuoka, Japan;Medical Informatics, Chiba University Hospital, Chiba, Japan;Faculty of Science and Technology, Keio University, Kanagawa, Japan

  • Venue:
  • AM'03 Proceedings of the Second international conference on Active Mining
  • Year:
  • 2003

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Abstract

This research experimentally investigates the performance of conventional rule interestingness measures and discusses their usefulness for supporting KDD through human-system interaction in medical domain. We compared the evaluation results by a medical expert and those by selected sixteen kinds of interestingness measures for the rules discovered in a dataset on hepatitis. χ2 measure, recall, and accuracy demonstrated the highest performance, and specificity and prevalence did the lowest. The interestingness measures showed a complementary relationship for each other. These results indicated that some interestingness measures have the possibility to predict really interesting rules at a certain level and that the combinational use of interestingness measures will be useful. We then discussed how to combinationally utilize interestingness measures and proposed a post-processing user interface utilizing them, which supports KDD through human-system interaction.