Data Viz Done Right

April 22, 2019

#MakeoverMonday: Which NBA arena makes Stephen Curry's favorite popcorn?

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Wow! What an incredible data set this week? A professional athlete tracking quantified-self data! And in this case, that athlete is NBA star Stephen Curry and the data is popcorn. Yes, that's right, Stephen Curry tracked data about popcorn from every NBA arena. According to this article from the New York Times, having some popcorn is part of his pre-game routine. Whatever works!

In the NYT article, they included a simple heatmap:


What works well?

  • A heatmap is a good chart choice. Because the highest rating is darkest, those pop out more.
  • Sorting the teams/arenas by the total score.
  • Including borders around each cell helps separate them.
  • Have both the team and arena together in a single cell but in multiple rows.
  • Including the rating for each field.
  • I love the data source!!

What could be improved?

  • Needs a better title
  • The diagonal rotation of the text makes the categories harder to read than necessary.

What I did

  • I really like the original, so I also created a heatmap.
  • I change the colors to use the blue from the Golden State Warriors brand colors.
  • I made the category headers horizontal.
  • I created a calculation to include the team and arena in the same field, but on multiple rows.
  • I used viz in tooltip to shows the rating across all categories for each team.
  • I included an option to allow the reader to sort by their most important factor.

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