PumpItUp competiton. #135 of 8500 competitors. Accuracy: 0.8244
The data is provided by Taarifa and the Tanzanian Ministry of Water. The goal is to predict whether a water pump is functional, functional but needs repairs or non functional.
I used techniques like text mining, lumping or target encoding. The model: XGboost tuned in H2O with Rcloud and trained with xgboost R package.