Recent See All →

Continental drift, from 240 million years ago to present

Researchers modeled continental drift, going back 240 million years ago, on the scale of millimeters per year. It starts really …

Camera really adds tens pounds

Photographic evidence.

Searchable campaign finance data from the FEC

Every four years, campaign finance data from the Federal Election Commission peeks its head out into the light of importance. …

Grid map shows shifting states

You’re likely familiar with the state grid map form used these days. Instead of using geographic boundaries, you place states …

Guide to spotting data BS

As we delve deeper into election season, politicians will spit out more and more statistics to lend some factitude to …

Ride on the VR time series roller coaster

Speaking of virtual reality visualization, this Nasdaq roller coaster by Roger Kenny and Ana Asnes Becker for the Wall Street …

Virtual reality map to show Google Trends

More of an experiment, this VR map, by the Google Trends Lab in collaboration with Pitch Interactive, shows what people …

Grace Hopper explains a nanosecond with a visual aid

A nanosecond is a billionth of a second, but we’re not very good with really big or tiny numbers. So, …

Piecing together satellite images

You might think piecing together satellite imagery is a straightforward task of lining up latitude and longitude points. But if …

Features See All →

What That Election Probability Means

You’re going to see probability values mentioned a lot these next few months. Many people will misinterpret. But not you.

Most Common Family Types in America

Nuclear is still the most common, but there are millions of households in the United States with a different family structure.

How Much Alcohol Americans Drink

Most people have one or two drinks on average, but some consume much more.

Shifting Incomes for American Jobs

For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.

Who Still Smokes?

Two decades out from the first statewide ban on smoking in enclosed workplaces, here’s who still smokes.

Americans are Growing Bigger

We keep getting bigger. Watch overweight and obesity rates move up over several decades.

Tutorials See All →

How to Make Square Pie Charts in R

Instead of traditional pie charts that rely on angles and arc lengths to show parts of a whole, try this easier-to-read version.

Annotating Charts in R

Let the data speak for itself they say. That doesn’t work a lot of the time, and when that happens, you need to explain.

A Crash Course for Visualizing Time Series Data in R

Learn to visualize temporal patterns in a couple of days.

Drawing Lines and Segments in R

Show connections and changes over time with start and end points.

Guides See All →

5 Tips for Learning to Code for Visualization

Here are some tips to get you started, based on my own experiences with R, and more recently, the JavaScript library d3.js.

What I Use to Visualize Data

“What tool should I learn? ” I hesitate to answer, because I use what works best for me, which isn’t necessarily the best for someone else or the “best” overall. Nevertheless, here’s my toolset.

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.