I recently started learning D3 in an attempt to add another arrow to my data visualization quiver. D3 is a data visualization library built on top of JavaScript, and is generally considered the most detail-oriented, top of the line, data visualization tool in the business. You control everything in your graphics. I’m currently 100 pages into the wonderful book Interactive Data Visualization for the Web by Scott Murray and I figured this is a great time to take the training wheels off and build my first D3 plot outside of a canned tutorial.

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