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      • Computer Science Working Paper Series
      • 1996 Working Papers
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      •   Research Commons
      • University of Waikato Research
      • Computing and Mathematical Sciences
      • Computer Science Working Paper Series
      • 1996 Working Papers
      • View Item
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      Understanding what machine learning produces - Part II: Knowledge visualization techniques

      Cunningham, Sally Jo; Humphrey, Matthew C.; Witten, Ian H.
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      Cunningham, S. J., Humphrey, M. & Witten, I. H. (1996). Understanding what machine learning produces - Part I: Representations and their comprehensibility. (Working paper 96/22). Hamilton, New Zealand: University of Waikato, Department of Computer Science.
      Permanent Research Commons link: https://hdl.handle.net/10289/1182
      Abstract
      Researchers in machine learning use decision trees, production rules, and decision graphs for visualizing classification data. Part I of this paper surveyed these representations, paying particular attention to their comprehensibility for non-specialist users. Part II turns attention to knowledge visualization—the graphic form in which a structure is portrayed and its strong influence on comprehensibility. We analyze the questions that, in our experience, end users of machine learning tend to ask of the structures inferred from their empirical data. By mapping these questions onto visualization tasks, we have created new graphical representations that show the flow of examples through a decision structure. These knowledge visualization techniques are particularly appropriate in helping to answer the questions that users typically ask, and we describe their use in discovering new properties of a data set. In the case of decision trees, an automated software tool has been developed to construct the visualizations.
      Date
      1996-10
      Type
      Working Paper
      Series
      Computer Science Working Papers
      Report No.
      96/22
      Collections
      • 1996 Working Papers [32]
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