Gain in XGBoost Tree Ensemble Learner Regression

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Hi

How is gain calculated in XGBoost Tree Ensemble Learner Regression?

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You can check the XGBoost docs for more details, as specified in the node description:

https://xgboost.readthedocs.io/en/latest/parameter.html

I believe in this case you are looking for “Normalized Discounted Cumulative Gain”

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