Cells or bins are colored based on data. As with all visualization types that use color as the main visual encoding, choose shades carefully.
Tutorials and Guides
How to Make a Heatmap in Excel
Heatmaps quickly translate data tables into a visual form, making them a great tool to explore a new dataset.
How to Make Animated (GIF) Heatmaps in R
Using color as the visual encoding, show changes over time in two dimensions.
Visualizing Patterns on Repeat
Things have a way of repeating themselves, and it can be useful to highlight these patterns in data.
How I Made That: Interactive Heatmap
Add interaction so that you can show different segments of the data and allow comparisons.
More on Making Heat Maps in R
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.
Where chess pieces are most often captured
Reddit user desfirsit made heatmaps to show where on the chess board pieces…
If the unemployed lose $600 per week
A $600 per week benefit expires for the unemployed at the end of…
Sleep Schedule, From the Inconsistent Teenage Years to Retirement
From the teenage years to college to adulthood through retirement, sleep is all over the place at first but then converges towards consistency.
Increasing ocean temperatures, decreasing ice
For National Geographic, Kennedy Elliot made a series of heatmaps that show the…
How People Meet Their Partners
"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.
Goodbye, Mid-Range Shot
There's a space on the basketball court called "mid-range." It's actually not off-limits. In fact, people used to shoot these so-called "mid-range" shots.
Heatmap shows deaths by age in different countries
This interactive heatmap by Jonas Schöley shows mortality rates by age. Just use…
Shifting Causes of Death
The most common causes of death changed over the years. They vary across sex and age group. This animation shows the details of these changes.
Basketball Stat Cherry Picking
Wow your friends during the game with random win percentages, based on various player stats.
Tax calculator that considers where you live
Here’s a different look at tax cuts and increases from Reuben Fischer-Baum for…
American Daily Routine
Sleep. Work. Play. The times and everything in between change depending on who you talk to.
Who Earns More Income in American Households?
Compared to 1970, a shift towards women making the higher income.
Fatal Traffic, When and Where
These are the traffic crashes that resulted in deaths in 2015, categorized by month, time of day, and factors involved.
Time-lapse of community-edited pixels
For April Fool’s Day, Reddit ran a subreddit, r/place, that let users edit…