Xgboost Regression, Xgboost, Regression, Boosting, Ensemble Method.
(Output of Decision Tree 1) = 51K + 0.1 (-9) = 51K + - 0.9 = 50.1 K This means that once we pass Experience 2 as our independent feature, our real output now is 50.1K. You can do this for all the datasets and our output will be like this. Output Values Now we can calculate the new Residual value