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xkcd: Calendar of meaningful dates

Using the Google ngrams corpus, xkcd sized the days of the year based on usage volume. Lots of firsts of the month and September 11th.…

Calendar Heatmaps to Visualize Time Series Data

The familiar but underused layout is a good way to look at patterns over time. This tutorial gives you an easy way to make them and guides you through the code so you can adapt it to your needs.

Vehicles involved in fatal crashes

After seeing a map in The Guardian, I was curious about what other data was available from the National Highway Traffic Safety Association. It turns out there's a lot. scrobbles as calendar heat map

Martin Dittus, a former employee, grabbed listening data for staff, moderators, and alumni, and visualized 8.7 million scrobbles in an extended calendar format. At…