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Abstract Details
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Activity Number:
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175
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Type:
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Contributed
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Date/Time:
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Monday, July 30, 2012 : 10:30 AM to 12:20 PM
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Sponsor:
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Section on Statistical Computing
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| Abstract - #304999 |
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Title:
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Where's Waldo: Looking Closely at a Lineup
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Author(s):
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Niladri Roy Chowdhury*+ and Dianne H Cook and Heike Hofmann and Mahbubul Majumder and Yifan Zhao
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Companies:
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Iowa State University and Iowa State University and Iowa State University and Iowa State University and Iowa State University
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Address:
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3414 Orion Drive, Ames, IA, 50010-2710, United States
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Keywords:
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Abstract:
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Graphics play a crucial role in statistical analysis and data mining. This paper describes developments to assist the use of graphics for making inferential statements. It examines the lineup protocol described in Buja et al. [2009], developing numerical statistics to measure the quality of the lineup. Distance measures are developed that describe how close the observed data plot is to the null plots, and how close the null plots are to each other. These measures are compared with choices made by human judges, to decide on the best distance measures to use for particular plot types.
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