Misleading graphs
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Misleading Graphs. Know the dirty tricks so you won’t be deceived. There’s an entire blog!. www.forbes.com/sites/naomirobbins She even had a “Bad Graph Contest” http://www.forbes.com/sites/naomirobbins/2012/05/30/winner-of-the-bad-graph-contest-announced-2/ . Manipulate the Vertical Axis.

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Misleading Graphs

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Misleading Graphs

Know the dirty tricks so you won’t be deceived


There’s an entire blog!

  • www.forbes.com/sites/naomirobbins

  • She even had a “Bad Graph Contest”

    http://www.forbes.com/sites/naomirobbins/2012/05/30/winner-of-the-bad-graph-contest-announced-2/


Manipulate the Vertical Axis

Original

Vertical axis chopped

Magnify differences

Distort proportionality


Manipulate the vertical axis

Original

Vertical axis extended

Everybody seems shorter

Tax the rich, spread the poverty


Manipulate the Data Selection

Original

Chopped off some years

Choose a beginning year to make it look like there’s been astounding growth.

Or to make it look like there’s been little growth.


Manipulate the Horizontal Axis

Original

Stretch or compress

Make slopes (rates of change) look steeper (compress the axis) or more gradual (stretch the axis)


Graphic Arts Overkill

  • 3-D perspectives that distort plain meaning


More web references

  • http://grandgraphs.tumblr.com/

  • http://flowingdata.com/

    • http://flowingdata.com/2012/05/23/venn-pie-agrams/

    • http://flowingdata.com/2012/06/25/chart-chooser-helps-you-choose-charts/


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