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

Olympic medal tracker variations

As the 2024 Summer Olympics wrap up, medal trackers will fade from homepages…

American Height and Weight

Using body mass index (BMI), which is calculated with height and weight, most people fall into the categories of overweight or obese.

Communal Plot, a shared coordinate space to see how your taste compares

PerThirtySix made a communal plot that asks for your opinion via scatterplot and…

Common Age Differences, Married Couples

How common are wide age gaps between spouses? These are the age differences through the lens of the 2022 five-year American Community Survey.

Researchers might have found Amelia Earhart’s crashed plane

For NPR, Juliana Kim reports: Deep Sea Vision, an ocean exploration company based…

Learning animal languages with AI

Financial Times highlights how researchers are using AI to try to learn what…

Most Common Causes of Death, by Age

This is how the most common causes have changed over time for people aged 0 to 85.

How Cause of Death Shifted with Age and Time in America

As we get older, our life expectancy declines. But when and how quickly the decline happens and how it happens has changed over the years.

Shifting causes of death over the decades

Saloni Dattani, for Our World in Data, used a set of heatmaps to…

Past and present California drought severity

It’s been raining a lot here in California, which is helpful, because most…

Role of luck in football wins

NFL Football Operations calculated how much luck has contributed to team wins and…

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…