It emphasizes individual points in a distribution instead of binning them like a histogram.

Tutorials and Guides


Children exposed to school shootings

The Washington Post maintains a database of school shootings (which is sad in…

Literacy Scores by Country, in Reading, Math, and Science

See how your country compares.

How Much Americans Make

Median income only tells you where the middle is. The distributions of income are a lot more interesting.

Check the frequency of salmonella in your chicken

The USDA recommends that you cook your chicken to at least 165°F to…

Simulating how just a little gender bias in the workplace can lead to big effects up the chain

Yuhao Du, Jessica Nordell, and Kenneth Joseph used simulations to study the effects…

Decline of U.S. vaccination rate compared against Europe’s

Elian Peltier and Josh Holder for The New York Times highlight the vaccination…

Scoring hospitals by billing quality

Using data collected by Johns Hopkins University, Michelle McGhee and Will Chase for…

Population Growth and Seats Gained

The Census Bureau released state population counts for 2020. Here's how each state gained and lost population and seats.

Analysis of skin tones in beauty ads on Instagram

For Quartz, Amanda Shendruk and Marc Bain analyzed skin tones that appeared in…

Average stimulus aid, by household size and income

Alicia Parlapiano and Josh Katz, reporting for NYT’s The Upshot, plotted the average…

Minimum Wage and Cost of Living

We already looked at minimum wage over time, but when it comes to geography and income, you also have to consider the cost of living for a fair comparison.

How Much Minimum Wage Changed in Each State

Minimum wage has increased over the years, but by how much depends on where you live.

500,000 lives lost, an individual scale

The United States passed the half million mark for confirmed Covid-19 deaths. It’s…

Comparing live music recordings against the studio versions

There’s something about hearing music live no matter how many times you’ve heard…

Unemployment and Occupation

Unemployment has hit some industries more than others. Here's how the most recent estimates compare against last year's.

Search trends during the pandemic

As you would imagine, what we search for online shifted over the past…