A familiar, everyday layout to show data over time. It is especially useful to show recurring weekly patterns.
Tutorials and Guides
Day of the year companies stop paying women
One way to think about gender pay gap is to imagine women receive…
All the National Food Days
Keep track of the 214 days out of the year that are a national food or drink days.
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.
Last.fm scrobbles as calendar heat map
Martin Dittus, a former Last.fm employee, grabbed listening data for staff, moderators, and…