Wednesday, November 7, 2007

Stem and Leaf Plots

My wife was teaching stem and leaf plots to first year business students recently and wanted to dynamically show how they are built from a raw data set. We use Powerpoint 97 which doesn’t support motion paths, so makes any kind of “real” animation difficult. Open Office’s Impress has a half-hearted approach to motion paths, but they are pre-defined (although please correct me if I’m wrong!). As a result I ended up using the only animation software I have, which is the Flash-based Swish. For a quick effort, the animation works reasonably well.

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