What is the non-cross validated kappa for the same set of variables you used for Question 4 if you use extreme gradient boosting instead of CART? Please use 2 decimal places.



You will need to use the following packages:

XGBClassifier from xgboost


Use the following classifier and hyperparameters:

XGBClassifier(learning_rate=0.5, n_estimators=200, random_state=5)