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Trolling the uncertainty dial

During the election last year, The New York Times ran an uncertainty dial to show where the vote was swaying. …

Parts of America that most resemble the future

The Census Bureau released estimates for demographic breakdowns for each county — in 2060. With these estimates as the baseline, …

When babies are born, the cycle

Movies would have you believe that birth is random and unpredictable. (And if you haven’t been part of the birth …

Email Deletion Flowchart

We all get a lot of emails, and there’s a large subset of them that almost instantly end up in …

A thousand ways to draw a thing

Google released the Quick, Draw! dataset, so the closer looks at the collection of 100,000 sketches are coming in. This …

A guide for using open data to combat corruption

Open Up: A Guide to Using Open Data to Combat Corruption is free for download. A broad understanding of corruption …

Data Everywhere, Statisticians Anywhere

I had the honor to deliver the commencement speech at the UCLA Statistics graduation this past weekend. I’m going to …

Circle drawing as an indicator for culture

Thu-Huong Ha and Nikhil Sonnad for Quartz looked at the doodling dataset from Google, in search of cultural differences hidden …

Normal coffee

This barista deserves a tip.

Looking for cultural expression in 50 million doodles

Using Google’s Quick Draw dataset, a collection of 50 million drawings across 345 categories, Mauro Martino looked for visual differences …

Alone Time

It’s harder to make friends as you get older. There aren’t as many (forced) opportunities to find them and we …

How Histograms Work

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

Chances it’s a Friend’s Birthday Every Single Day of the Year

If it seems like every day you log in to Facebook, it’s someone’s birthday, you’re probably not that far off.

Giving Up Time as a Parent

There is a fixed number of minutes during the day. Where do parents usually draw the time from?

This is an American Workday, By Occupation

I simulated a day for employed Americans to see when and where they work.

How the Average Working Adult Spends Days

This is what you get when you add up all the days the average American adult spends sleeping, eating, commuting, and doing other activities.

Tutorials See All →

How to Make a Multi-line Step Chart in R

For the times your data represents immediate changes in value.

Symbols-based Charts to Show Counts in R

Add visual weight by using individual items to show counts.

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.

Guides See All →

How Histograms Work

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

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.