xgb-classifier 8 feature-engineering 4 feature-extraction 4 xgboost 4 data-science-challenges 3 data-science 3 cross-validation 3 sklearn 3 data-science-competition 3 classification 3 ensemble 3 gradient-boosting-machine 3 feature-selection 3 boosting-algorithm 2 python 2 svm 2 random-forest 2 credit-card 2 american-express 2 americanexpress 2 analyze-this 2 corelib 2 decision-tree-classifier 1 eigenfaces 1 eigenvalues 1 knn 1 logistic-regression 1 matrix-decomposition 1 naivebayesclassifier 1 pca 1 supervised-learning 1 svc 1 clustering 1 customers-segmentation 1 random-forest-classifier 1 boosting-algorithms 1 churn 1 churn-prediction 1 dunnhumby 1 hyperparameter-optimization 1 the-complete-journey-dataset 1 xgboost-algorithm 1 xgboost-model 1 lgbm 1 lightgbm 1 model-prediction 1 xgbm 1 bayesian-inference 1 kaggle-competition 1 goldmann-sachs 1 gs-quantify 1 gsquantify 1 linear-regression 1