Very cool -- I'm glad someone else could use the data! BigML seems useful. The BigML decision tree looks quite a lot like the J48 tree result. I wonder if the

Very cool -- I'm glad someone else could use the data! BigML seems useful. The BigML decision tree looks quite a lot like the J48 tree result. I wonder if the performance (ROC) is closer to J48 than logistic regression. I couldn't see an option to cross-validate on BigML.