EagerEyes presents an interesting alternative to pie charts. Here’s an example.
This is a particularly nice technique for presenting waterfalls. That is, charts where you’re whittling down a percentage—like the example above. Read the post and comments at EagerEyes for a good discussion comparing square pie charts to regular pie charts and treemaps.
But wait a second. I can’t find square charts here!
Here’s your Friday charting challenge. Implement square pie charts in Excel without using VBA and send me a copy. I’ll highlight the best solution next Thursday, along with a screencast showing how I implemented my solution. Yes, we do have our screencasting mojo back.