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Week07Ethics.pptxEthics in Data Visualisation Week 07 BUSMGT 708 Communicating Business Insights
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Learning outcomes:
By the end of this session you should be able to
Recognise common issues that may imply a problem with a chart
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Agenda:
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Overview – why do we lie?
How To Spot Common Visualisation Lies
Break the Gestalt
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Overview – why do we lie?
How To Spot Common Visualisation Lies
Break the Gestalt
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http://www.spoon-tamago.com/2016/10/28/hajime-narukawa-authagraph/
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https://thespinoff.co.nz/politics/24-09-2017/a-better-visual-breakdown-of-the-2017-election-results/
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Overview – why do we lie?
How To Spot Common Visualisation Lies
Break the Gestalt
How to spot lies:
Trucated Axis
Dual Axes
It does not add up
Seeing only in absolutes
Limited Scope
Odd Choice of Binning
Area Sized by a Single Dimension
Extra Dimension Just Because
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
Nathan Yau
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How to spot lies: Truncated Axis
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Truncated Axis
Source: https://blog.heapanalytics.com/how-to-lie-with-data-visualization/
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How to spot lies: Truncated Axis
Source: https://tradingeconomics.com/new-zealand/gdp
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How to spot lies: Dual Axes
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Dual Axes
Source: http://tylervigen.com/spurious-correlations
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How to spot lies: It does not add up
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: It does not add up
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Seeing only in absolutes
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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https://venngage.com/blog/misleading-graphs/
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How to spot lies: Seeing only in absolutes
Source: https://xkcd.com/1138/
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How to spot lies: Limited Scope
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Limited Scope
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Odd Choice of Binning
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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https://venngage.com/blog/misleading-graphs/
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How to spot lies: Area sized by a single dimension
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Area sized by a single dimension
Source: https://www.good.is/infographics/
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How to spot lies: Extra dimensions
Source: https://flowingdata.com/2017/02/09/how-to-spot-visualization-lies/
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How to spot lies: Cumulative Graphs
Source: https://blog.heapanalytics.com/how-to-lie-with-data-visualization/
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How to spot lies: Cumulative Graphs
Source: https://blog.heapanalytics.com/how-to-lie-with-data-visualization/
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https://qz.com/122921/the-chart-tim-cook-doesnt-want-you-to-see/
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https://qz.com/122921/the-chart-tim-cook-doesnt-want-you-to-see/
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Overview – why do we lie?
How To Spot Common Visualisation Lies
Break the Gestalt
https://venngage.com/blog/misleading-graphs/
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https://venngage.com/blog/misleading-graphs/
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https://venngage.com/blog/misleading-graphs/
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https://twitter.com/DataRemixed/status/1494525974980878340/photo/1
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