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Mapping happiness

Gallup surveyed Americans about their well-being across various factors. National Geographic gets into some of the geographic breakdowns. While Gallup’s …

Statistical diversity in US newsrooms

If a news organization wants to talk about the world in a fair way, it needs points of view from …

Gyroscope to automatically track your health data

I’m surprised I’m just now hearing about Gyroscope. It’s an app that automatically tracks your health data and then generates …

Map of Santa Rosa fires

Using both satellite images and ground surveys, The New York Times maps the damage due to the fires in Santa …

Dangers of CSV injection

George Mauer highlights how a hacker might access other people’s data by putting an equal sign in a CSV file, …

US electricity sources map

This interactive map from CarbonBrief shows how America generates electricity. Each circle represents a power source, color represents type, and …

Darkness mapped in Puerto Rico

Three weeks in, much of Puerto Rico is still without power. Denise Lu and Chris Alcantara for The Washington Post …

Frequency trails chart explainer

Frequency trails, or currently better known as joyplots, is a visualization method to show multiple distributions at once. Taken individually, …

Math to fix gerrymandering, explained in comic

Gerrymandering doesn’t sound like an especially sexy topic, but it’s an important one to pay attention to. District lines are …

Visualizing nonlinear stories

Many stories don’t follow a linear format. There are flashbacks, or multiple timelines run simultaneously. Story Curves is a research …

American Daily Routine

Sleep. Work. Play. The times and everything in between change depending on who you talk to.

In 2017, No More than Five Days Without a Mass Shooting

Unfortunately, while of varying magnitude, mass shootings are somewhat regular in the United States.

Who Earns More Income in American Households?

Compared to 1970, a shift towards women making the higher income.

Most Female and Male Occupations Since 1950

The shifting majorities of the sexes in the workplace.

Occupation Matchmaker

This is who marries whom, based on what one does for a living.

Useless Data Comparisons

Apples and oranges situations where the comparisons make no sense.

Tutorials See All →

How I Made That: Interactive Beeswarm Chart to Compare Distributions

The histogram is my favorite chart type, but it’s unintuitive for many. So I’ve been using the less accurate but less abstract beeswarm.

How I Made That: Searchable Time Series Chart

When there are too many options or categories, it can be helpful to make the data searchable.

How to Make a State Grid Map in R

Something of a cross between a reference table and a map, the state grid provides equal space to each state and a semblance of the country to quickly pick out individual states.

How to Make Animated Line Charts in R

Sometimes it’s useful to animate the multiple lines instead of showing them all at once.

Guides See All →

Falling is Learning

I’ve been teaching my three-year-old son how to ride his bike on two wheels. When I first took off the …

Useless Data Comparisons

Apples and oranges situations where the comparisons make no sense.

Summary Statistics Tell You Little About the Big Picture

Mean, median, and mode. These are the first things you learn about in your introductory statistics course. It’s often all …

How Histograms Work

The histogram is one of my favorite basic chart types, because it lets you quickly see the shape and distribution …