Bubble Chart

Points are placed like in a scatter plot, but they are sized based on the square root of data values.

Tutorials and Guides

Examples

History of wars and power in Europe, animated from 1500 to present

Agar.io is a multiplayer game where people control cells in a Petri dish-type…

Less rich Covid billionaires

With Covid came sudden shifts in daily life and work, which gave rise…

Pizza Exchange Rate

This is a story about pizza, geometry, and making sure you get what you paid for.

Total refugees from Ukraine, compared to other countries

Millions of Ukrainians (over three million as of this writing) have left their…

Vaccination rates compared against country wealth

Vaccine supply is only part of the equation. For The New York Times,…

Cycle of Many, a 24-hour snapshot for a day in the life of Americans

This is a 24-hour snapshot for a day in the life of Americans.

How vaccines can make a difference with the Delta variant

We see percentages for the vaccinated and unvaccinated, and people can easily misinterpret…

Visualizing GitHub repos

Most people are familiar with the file-and-folder view. Sort alphabetically, date, or file…

Counting Happiness and Where it Comes From

Researchers asked 10,000 participants to list ten things that recently made them happy. I counted and connected the dots.

Olympic medal tracker

The Bloomberg medal tracker is fun to look at. I think the graphics…

See if you live in a political bubble

Gus Wezerek, Ryan D. Enos, and Jacob Brown for NYT Opinion use neighborhood-level…

Stephen Curry’s record-setting month for shooting threes

Steph Curry has been on a tear as of late. In April he…

GDP and vaccination rates

For The New York Times, Keith Collins and Josh Holder look at the…

Defining “essential worker” to distribute vaccine

Matthew Conlen, in an article by Abby Goodnough and Jan Hoffman for NYT,…

Minutes spoken at the Republican Convention

The New York Times provides a breakdown of minutes spoken at the Republican…

Words used to describe men and women’s bodies in literature

Authors tend to focus on different body parts for men and women, and…