Data cannot save us from ourselves

Clay Johnson, author of The Information Diet wrote on Twitter: Redistricting should be done with data & open source software, not by humans. Let me be completely honest: I don’t like golden calves and I can spot two in this single sentence: technology and data. Yes, redistricting should be done with data and technology, but the … Read more

Change Bad Charts in the Wikipedia

Corporate annual reports and the Wikipedia are two great resources to find really bad charts. We can’t do much about corporate reports, but we can actually change the Wikipedia articles. So, here is an assignment for you: find a bad chart and replace it with one that actually makes sense from a data visualization point … Read more

Highest Mountains, Deepest Trenches, and a Doughnut

A while ago something broke inside me. My deepest held beliefs were shattered. I started drinking again. Absinthe. I love absinthe. 69% ABV. It started when I saw it. A glorious pie chart displaying growth rates. Growth! At first, I couldn’t believe it. I took off my glasses. Yes, growth rates. In a pie chart. I had … Read more

On the Brink of the Abyss You Don’t Want to Be Pushed

There are so many bad charts published every single day that redesigning some of them would be a full time job. Many are involuntarily funny. And there are some dangerous and stupid ones. I live in Portugal, a small country that only gets international press coverage when something goes wrong. Like now. Public debt is … Read more

Ads, Chartjunk and the Fart Machine

You know, I would really love to quit my day job and spend my time learning about information visualization, write about it, help people understand why good information visualization skills are relevant for their business. Now, I could try to speed up things by selling some crappy affiliate products, fill up the blog with Google … Read more

Inconsequential Foreplay

Nathan discusses this chart. He says: I know a lot of you don’t like bubbles in your viz, but this one works for me. Jon Peltier, in the comments, argues that: Sets of bars would have been more effective. Tim adds the definitive argument: “Always using bar charts is like always using missionary position. It … Read more