Highlighting data viz best practices around the web

Thursday, October 26, 2017

U.S. Interstate Highways as a Transit Map

Source: Visual Capitalist
Author: Cameron Booth


Best Practices:
  • Everyone loves a good subway map, the idea to create one for the Interstate System is pure genius!
  • Very clean, very simple map
  • Terrific labeling throughout
  • Nice indicators for junctions and the ends of lines, just like we see all over the world
  • Reshaping the boundaries of the US and to make the map fit
Recommended Enhancements:
  • I can't find Cameron Booth (the creator) on Twitter to give him credit.

Saturday, October 21, 2017

Who Earns More Income in American Households?

Source: Flowing Data
Author: Flowing Data


Best Practices:
  • Incredible use of a heatmap for comparisons
  • Good title and subtitle that explain the viz
  • Great interactivity with the year filter
  • Using BANs to summarize the view
  • Simple, effective use of colors
  • Scaling both axes the same
  • Good axis labeling and axis titles
  • Ensuring that the salaries are adjusted to the same dollar value
Recommended Enhancements:
  • Show the value when you hover over a box

Thursday, October 5, 2017

The GOP Has Become Much More Focused on Gun Rights

Source: FiveThirtyEight
Author: Harry Enten


Best Practices:
  • Uses a title that captures your attention and clearly tells you the message you will see in the chart
  • Subtitle that explains the question that was asked in the poll
  • Using colors that represent the political parties
  • Labeling the lines, but in a non-distracting way
  • Shading the area between the lines to accentuate the gap
  • Including the source
  • Gridlines that are evenly spaced
  • Clear labeling of the axes
Recommended Enhancements:
  • I know the FiveThirtyEight brand is to use grey charts, but this would pop more with a white background.
  • Make the gridlines lighter
  • Include the value on the end of each line

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