Currently, i learn Recommendation Engine Template. However, by learn from existing engine, i need to debug All Scala's variable (input and output) when running pio train, is it possible ?
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Possible duplicate of [How to Develop Predictionio Template in Windows?](http://stackoverflow.com/questions/36494530/how-to-develop-predictionio-template-in-windows) – cchantep Apr 08 '16 at 10:22