Heatmap

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

Examples

Analysis of compound curse words used on Reddit

As you know, Reddit is typically a sophisticated place of kind and pleasant…

Weighted Olympic medal counts

To decide who’s doing best at the Olympics you have to define what…

Premier League territory control

The Athletic charted territories on the field to show whether the team of…

Painbow color scale

xkcd poked fun at the sometimes questionable color choices of researchers.…

Heatmap of average IMDb ratings for all the shows

Inspired by a graphic on Reddit, Jim Vallandingham expanded the format for all…

Inflation isn’t that exciting

For NYT Opinion, Josh Bivens and Stuart A. Thompson argue that you don’t…

How countries ranked by Olympic medal counts

Ranking countries by medal count change depending on how much value you place…

Calculating swim speeds

The New York Times charted speed ranks during the women’s 4×100 freestyle relay.…

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…

This Age is the New Age

30 is the new 20. Wait. 40 is the new 20. No, scratch…

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…