So I've been talking about data modeling for a while. Wanted to share this video that will give you a feeling about how to set up a decision tree based Chrun model. This happens to be with a telephone data test set. But I hope you can imagine how this could be used with membership or subscription data as well.
The Knime tool is available as a free download for Windows, Macintosh, and Linux. (The licence is not time-limited.)