SDI: shape distribution indicator and its application to find interrelationships between physical activity tests and other medical measures

  • Authors:
  • Ashkan Sami;Ryoichi Nagatomi;Makoto Takahashi;Takeshi Tokuyama

  • Affiliations:
  • Graduate School of Engineering, Tohoku University, Japan;Department of Medicine and Science in Sports and Exercise, Graduate School of Medicine, Tohoku University, Japan;Graduate School of Engineering, Tohoku University, Japan;Graduate School of Information Sciences, Tohoku University, Japan

  • Venue:
  • AI'06 Proceedings of the 19th Australian joint conference on Artificial Intelligence: advances in Artificial Intelligence
  • Year:
  • 2006

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Abstract

Comprehensibility is driving force in medical data mining results since doctors utilize the outputs and give the final decision. Another important issue specific to some data sets, like physical activity, is their uniform distribution due to tile analysis that was performed on them In this paper, we propose a novel data mining tool named SDI (Shape Distribution Indicator) to give a comprehensive view of co-relations of attributes together with an index named ISDI to show the robustness of SDI outputs. We apply SDI to explore the relationship of the Physical Activity data and symptoms in medical test dataset for which popular data mining methods fail to give an appropriate output to help doctors decisions. In our experiment, SDI found several useful relationships.