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The Visual Display of Quantitative Information

Excellence!. Excellence in statistical graphics consists of complex ideas communicated with: clarity, precision, efficiency.. Graphical displays should:. Show the dataMake the viewer think about the substance (not the methods/design/technology)Avoid distorting the dataPresent many numbers in a

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The Visual Display of Quantitative Information

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    1. The Visual Display of Quantitative Information

    2. Excellence! Excellence in statistical graphics consists of complex ideas communicated with: clarity, precision, efficiency.

    3. Graphical displays should: Show the data Make the viewer think about the substance (not the methods/design/technology) Avoid distorting the data Present many numbers in a small space Make large datasets coherent Encourage the eye to compare different pieces of data Reveal data structure at different levels Serve a clear purpose: description, exploration, tabulation, decoration

    4. Deaths from cholera in central London, 1854

    14. Theory of Data Graphics

    15. Data:Ink data: ink ratio = data-ink total ink used to print graphic = proportion of graphic’s ink devoted to the non-redundant display of data-information = 1 – proportion of graphic that can be erased without loss of data- information

    18. Chartjunk

    23. Data-ink maximization

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