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Ant time-lapse shows movement patterns

Ant activity can seem mysterious at times. The pack seems to start out slow as a few head out in …

Cleaning sale: Half off in the FlowingData shop

Everything — all two items — in the FlowingData shop is half off. Use the code HALFOFF at checkout for …

Fast image classifications in real-time

NeuralTalk2 uses neural networks to caption images quickly. To demonstrate, the video below shows a webcam feed that continuously updates …

Thanksgiving flight patterns

Millions of Americans will fly home this Thanksgiving weekend. (Based on my morning commute, the holiday already started a couple …

Metadata surveillance investigation

Metadata can tell you a lot, and most of us agree that it’s not “just metadata” at this point. The …

Sometimes the y-axis doesn’t start at zero, and it’s fine

It’s true. Sometimes it’s okay for the y-axis to start at a non-zero value, which is why Johnny Harris and …

Food tracker diary timeline

With the availability of weight and food tracking apps these days, there are thousands of people building out their time …

Daylight Saving Time geography

Keith Collins for Quartz made an interactive that showed how much more daylight you get because of Daylight Saving Time. …

Out-of-state gun purchasing

In states with stricter gun laws, firearms still find their way in. Based on data from the Bureau of Alcohol, …

Plotly.js, a JavaScript graphing library, open-sourced

Plotly, a service that lets you make interactive charts online, open-sourced their main JavaScript charting library. Today, Plotly is announcing …

Features See All →

Most Common Use of Time, By Age and Sex

Typical time use varies by who you talk to. This interactive shows you the differences when you vary age and sex.

Counting the Hours

Every day is a bit different, but here is a wideout view of how Americans spend their days. Compare with your own time use.

Top Brewery Road Trip, Routed Algorithmically

There are a lot of great craft breweries in the United States, but there is only so much time. This is the computed best way to get to the top rated breweries and how to maximize the beer tasting experience. Every journey begins with a single sip.

Work Counts

Looking at educational attainment, income, work hours, and commute, this is who has the same work life as you do.

Years You Have Left to Live, Probably

The individual data points of life are much less predictable than the average. Here’s a simulation that shows you how much time is left on the clock.

Who Earned a Higher Salary Than You

Work changed over the years. Salaries changed over the years. I was curious: If you compared your personal income from present day, how would it compare to the distribution of salaries in previous decades?

Tutorials See All →

Animated Pyramid Chart in R

Make a bunch of charts, string them together like a flip book, and there’s your animation. Sometimes good for showing changes over time. Always fun to play with.

Bivariate Area Charts in R

Quickly compare two time series variables with this line-area chart hybrid that originated in the 1700s.

How to Make Maps in R That Include Alaska and Hawaii

The conterminous United States always gets the attention, while Alaska and Hawaii are often left out. It is time to bring them back into view.

How to Map and Use GeoTIFF Files in R

It’s like working with a bunch of tiny dots, and oh look, all of sudden patterns emerge.

Guides See All →

Venn Diagrams: Read and Use Them the Right Way

Venn diagrams seem straightforward, but why all the mistakes? Here’s a guide to avoid the snafus.

Bar Chart Baselines Start at Zero

There are visualization rules and there are visualization suggestions. Most are suggestions. The ones that are rules exist because of how our brains process visual information. There’s just no getting around it.

Real Chart Rules to Follow

There are rules—usually for specific chart types meant to be read in a specific way—that you shouldn’t break. When they are, everyone loses. This is that small handful.

Horizon Graphs, with a Food Pricing Example

The rarely used chart type for time series data is actually quite nice, once you get the hang of it. Although it does have its limitations.