Heatmaps and 3D pie charts are often criticized, and for good reason. But they’re not always a bad choice, and can work for simple data presentation. Context is important when criticizing visualizations, especially when there are no obvious improvements that can be made. [Read more…] about Above All, Do No Harm!
Archives for August 2011
It’s that time of year again when annoying hipsters and wannabes start bugging you about their stupid SxSW panels. The panel proposal that Irene Ros has put together (and that includes yours truly) is different though, and well worth your time to vote. [Read more…] about Vote for our SxSW Panel on Visualization!
The common wisdom in visualization is that to find periodicity in data, it should be displayed on a spiral whose period the user can control. Repeating patterns are easy to spot on a spiral, and its layout suggests repetition. But are spirals really the most effective way of finding periodic patterns? Here is an interactive version that lets you compare spirals against a rectangular layout to find out for yourself.
[Read more…] about Spirals for Periodic Data
Information Visualization shares part of its history and some techniques with statistical graphics. The two fields differ in their approaches though, and in the expectations people have of what they will gain from a visual representation. In two articles, Andrew Gelman and I have written about what we think visualization is, and our points of view could hardly be more different. [Read more…] about Information Visualization vs. Statistical Graphics