Cells or bins are colored based on data. As with all visualization types that use color as the main visual encoding, choose shades carefully.
Using color as the visual encoding, show changes over time in two dimensions.
Things have a way of repeating themselves, and it can be useful to highlight these patterns in data.
Add interaction so that you can show different segments of the data and allow comparisons.
You saw how to make basic heat maps a while back, but you might want more flexibility for a specific data set. Once you understand the components of a heat map, the rest is straightforward.
The familiar but underused layout is a good way to look at patterns over time.
A heatmap is a literal way of visualizing a table of numbers, where you substitute the numbers with colored cells. This is a quick way to make one in R.
For National Geographic, Kennedy Elliot made a series of heatmaps that show the…
"So how'd you two meet?" There's always a story, but the general ways people meet are usually similar. Here are the most common.
This interactive heatmap by Jonas Schöley shows mortality rates by age. Just use…
Wow your friends during the game with random win percentages, based on various player stats.
Here’s a different look at tax cuts and increases from Reuben Fischer-Baum for…
Sleep. Work. Play. The times and everything in between change depending on who you talk to.
Compared to 1970, a shift towards women making the higher income.
These are the traffic crashes that resulted in deaths in 2015, categorized by month, time of day, and factors involved.
For April Fool’s Day, Reddit ran a subreddit, r/place, that let users edit…
Looking for some data to play with? James P. Curley compiled Scrabble data…
Placement of Daily Double clues, from season 1 to 31. Watch them play out.
Football players are getting bigger. Noah Veltman, a developer for the WNYC Data…
I made a graphic a while back that showed traffic fatalities over a…
After seeing Tristan Louis' list that tallied the streaming availability of 2011's top 100 box office hits, I was curious what it looked like graphically.
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.
