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Traffic Fatalities, When and Where

These are the traffic accidents that resulted in deaths in 2015, categorized by month, time of day, and factors involved.

Mapping death in America, 1980 to 2014

Nationwide mortality data relies on death certificates, and when cause of death is unknown, sometimes “garbage codes” are used to …

How disinformation spreads in a network

Disinformation is kind of a problem these days, yeah? Fatih Erikli uses a simulation that works like a disaster spread …

NFL draft performance vs. expectations

Reuben Fischer-Baum for The Washington Post looks at professional football expectations given their draft picks versus performance.

Stephen Curry for MVP, because he makes his teammates better the most

The choice for Most Valuable Player in the NBA is only minimally about the numbers, but it’s fun to look …

Solar System in a bottle

From Little Planet Factory, a Solar System in a bottle made to scale: A small bottle attempting to maintain the …

Data distributed as clipart

Government data isn’t always the easiest to use with computers. Maybe it’s in PDF format. Maybe you have to go …

California looks green again

In case you didn’t hear, California had a bit of a drought problem for the past few years. We complained …

Why momentum works

Gabriel Goh models momentum over at the new machine learning journal Distill. The visualization is not the focus, but it’s …

Shift in world’s night lights

NASA recently released composite images of the Earth at night based on 2016 data, which was a follow-up to similar …

Income Taxes You Would Pay in Each State

Some states have high rates. Some have low. But whether a state is lower or higher for you depends on more than just the high brackets.

Introducing a Course for Mapping in R

Mapping geographic data in R can be tricky, because there are so many ways to complete separate tasks. It’s a …

When Straight Americans Lost Their Virginity

Everyone has his or her own timeline, but here it is in general for Americans.

Relationships: The First Time…

When Americans had sex, moved in with someone, and so on. Often not average. Far from normal.

How to Spot Visualization Lies

Many charts don’t tell the truth. This is a simple guide to spotting them.

One Dataset, Visualized 25 Ways

“Let the data speak” they say. But what happens when the data rambles on and on?

Tutorials See All →

Introducing a Course for Mapping in R

Mapping geographic data in R can be tricky, because there are so many ways to complete separate tasks. It’s a …

How to Edit R Charts in Adobe Illustrator

A detailed guide for R users who want to polish their charts in the popular graphic design app for readability and aesthetics.

How to Make an Animated Map in R, Part 4

In the the last part of the four-part series, you make a longer animation with more data and annotate.

Transitioning Map, Part 3: Animate Change Over Time

How to make a bunch of maps and string them together to show change.

Guides See All →

How to Spot Visualization Lies

Many charts don’t tell the truth. This is a simple guide to spotting them.

One Dataset, Visualized 25 Ways

“Let the data speak” they say. But what happens when the data rambles on and on?

Resources to Find the Data You Need, 2016 Edition

This is an update to the guide I wrote in 2009, which as it turns out, is now mostly outdated. So, 2016. Here we go.

Learning R Versus d3.js for Visualization

For those who work with R and d3.js, the differences between the two are obvious. But for those who are …