One Hot Encoding with multiple columns

[mlauber71]

@rinaldiinjapan in case you are looking for other encoding methods this might give you further ideas

Data Manipulation of categorical data in the background in ML process

@moritz_skb every KNIME nodes has some sort of documentation like the XGBoost Tree Ensemble Learner: [image] There you will find additional links and literature to explain what has been done. In this case to the official documentation and there you will find what the algorithm does: https://xgboost.readthedocs.io/en/stable/tutorials/categorical.html The KNIME implementation might ‘compress’ such settings or provide some of them by default or with switches in the node. If you want to do the…