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February 18, 2019

Makeover Monday: Which States have invested the most per home in wind energy?

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For week 8, we're making over this chart from

What works well?

  • The States are sorted from most installed capacity to least.
  • The title clearly indicates what the chart is about.

What could be improved?

  • The log scale is misleading.
  • The colors are double encoding the data.
  • The windmill symbols are chart junk.
  • The labels for the Stated get smaller and smaller, to the point where you can hardly read them.
  • The investment labels are not consistently formatted, they are aligned on an angle, then vertically, and they get smaller and smaller.

What I did

  • Since this is a simple data set, I wanted to use a tool other than Tableau. I find this useful so that I can speak about other tools from an educated perspective.
  • Create a simple viz
  • Look at the relationship between installed capacity and development
  • Consider metrics that normalize the data

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