Scott Klein's team at Propublica published a worthy news application, called "Hell and High Water" (link) I took some time taking in the experience. It's a project that needs room to breathe. The setting is Houston Texas, and the subject...
Long-time reader Daniel L. isn't a fan of this chart, especially when it is made to spin, as you can see at this link: Like other 3D charts, this one is hard to read. The vertical lines are both good...
Reader Jeffrey S. saw this graphic inside a Dec 2 tweet from the National Weather Service (NWS) in Phoenix, Arizona. In a Trifecta checkup (link), I'd classify this as Type QV. The problems with the visual design are numerous and...
Robert Kosara posted a response to my previous post. He raises an important issue in data visualization - the need to aggregate data, and not plot raw data. I have no objection to that point. What was shown in my...
The credit for today's headline goes to Andrew Gelman, who said something like that when I presented the following chart at his Statistical Graphics class yesterday: With this chart (which appeared in a large ad in the NY Times), Fidelity...
The reason for the infrequent posting is my travel schedule. I spent the past week in Seattle at JSM. This is an annual meeting of statisticians. I presented some work on fantasy football data that I started while writing Numbersense....
I was enjoying this yummy piece of German cake the other day. I started flipping through the recent issue of Stern magazine, and came across this German pie chart that probably presents results from a poll. In particular, it draws...
Some time ago, this chart showed up in a NYT Magazine (it's about sex): In this composition, the visual element (the circles) has no utility. A self-sufficiency test makes this point clear. All the data (four numbers) are printed on...
The Washington Post has a good idea. Using Census data, they computed the proportion of police force who are white and the corresponding proportion of citizens who are white, in different cities. In the following scatter plot, they singled out...
The following Wall Street Journal caught my eye the other day: (Link to article) Looking closely, I realize that the four charts are identical, except for the call-outs. This is a kind of small-multiples in which the same data reside...