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    • 38-Issue 3
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    Characterizing Exploratory Visual Analysis: A Literature Review and Evaluation of Analytic Provenance in Tableau

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    Date
    2019
    Author
    Battle, Leilani
    Heer, Jeffrey
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    Abstract
    Supporting exploratory visual analysis (EVA) is a central goal of visualization research, and yet our understanding of the process is arguably vague and piecemeal. We contribute a consistent definition of EVA through review of the relevant literature, and an empirical evaluation of existing assumptions regarding how analysts perform EVA using Tableau, a popular visual analysis tool. We present the results of a study where 27 Tableau users answered various analysis questions across 3 datasets. We measure task performance, identify recurring patterns across participants' analyses, and assess variance from task specificity and dataset. We find striking differences between existing assumptions and the collected data. Participants successfully completed a variety of tasks, with over 80% accuracy across focused tasks with measurably correct answers. The observed cadence of analyses is surprisingly slow compared to popular assumptions from the database community. We find significant overlap in analyses across participants, showing that EVA behaviors can be predictable. Furthermore, we find few structural differences between behavior graphs for open-ended and more focused exploration tasks.
    BibTeX
    @article {10.1111:cgf.13678,
    journal = {Computer Graphics Forum},
    title = {{Characterizing Exploratory Visual Analysis: A Literature Review and Evaluation of Analytic Provenance in Tableau}},
    author = {Battle, Leilani and Heer, Jeffrey},
    year = {2019},
    publisher = {The Eurographics Association and John Wiley & Sons Ltd.},
    ISSN = {1467-8659},
    DOI = {10.1111/cgf.13678}
    }
    URI
    https://doi.org/10.1111/cgf.13678
    https://diglib.eg.org:443/handle/10.1111/cgf13678
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    Eurographics Association copyright © 2013 - 2021 
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    Theme by @mire NV
    System hosted at  Graz University of Technology.
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