Xgboost Regression, Xgboost, Regression, Boosting, Ensemble Method.
Similarity Weight = (-10 + -8 + 0 + 8 + 10)^2 / 5 + 1 = 0 // Calculate the Information Gain Similarity Weight of Left Node + Similarity Weight of Right Node - Similarity Weight of Root Node = 50 + 20 - 0 = 70 // So the total gain we will get from this split is 70 Now we will go with the next split,