Tag: gbm

18 Why is xgboost so much faster than sklearn GradientBoostingClassifier? 2016-03-29T14:14:46.867

18 GBM vs XGBOOST? Key differences? 2017-02-11T20:03:23.843

11 Does XGBoost handle multicollinearity by itself? 2016-07-02T07:30:13.713

6 Why isn't dimension sampling used with gradient boosting machines (GBM)? 2014-11-25T09:40:20.040

6 How fit pairwise ranking models in xgBoost? 2016-02-10T16:40:34.743

6 Need help understanding xgboost's approximate split points proposal 2016-04-01T14:35:06.673

4 Can xgboost (or any other algorithm) give bad results with some bad features? 2016-02-27T15:34:34.027

4 Gradient Boosted Trees or Neural Networks Using Model Averaging? 2016-06-10T07:22:28.273

4 what is init_score in lightGBM? 2017-02-20T22:48:48.653

3 Kappa near to 60% in unbalanced (1:10) data set 2014-09-12T16:26:15.827

3 What loss function does the 'multinomial' distribution with the gbm package in R use? 2015-05-22T21:22:15.133

3 difference between logistic regression and binary logistic regression 2016-03-08T12:11:25.040

3 Adding feature leads to worse results 2017-12-07T06:46:01.720

2 Why is each successive tree in GBM fit on the negative gradient of the loss function? 2016-02-21T05:41:22.113

2 Searching interactions with RandomForest and/or GBM 2016-06-28T10:07:06.240

2 Fit Decision Tree to Gradient Boosted Trees for Interpretability 2016-08-08T20:51:42.173

2 Xgboost quantile regression via custom objective 2016-12-22T17:06:56.187

2 How to determine if my GBM model is overfitting? 2017-07-06T05:22:21.060

2 Residuals in a gradient boosted classification 2017-08-21T18:31:58.773

2 What stopping metric to chose to optimize 'sensitivity' for a GBM in H2O? 2017-11-30T14:25:55.480

1 Unbalanced data fit in gbm 2016-01-19T19:02:45.530

1 Convert Out-of-bag (OOB) estimate to quad weighted kappa score 2016-01-23T23:07:16.237

1 Injecting random values as one input feature for feature selection results in a odd beaviour 2017-03-25T20:27:11.967

1 Why is my predicted vs observed plot worse for training than validation. Running an overfitted GBM on a binomial outcome 2017-07-25T04:21:00.600

1 How much data is needed for a GBM to be more reliable than logistic regression for binary classification? 2017-11-20T18:26:42.833

0 Can a Gradient Boosting Regressor be tuned on a subset of the data and achieve the same result? 2016-04-20T18:04:38.367

0 How to find the residuals of a classification tree in xgboost 2018-02-13T06:51:23.260

0 Why use single Newton-Raphson step in Gradient Boosting Machine 2018-03-01T19:51:42.087

0 XGBoost vs Gradient Tree Boosting 2018-03-01T20:56:12.183

-1 Comparing Categorical and Continuous Features using Splits in GBM 2016-07-14T11:36:34.623

-1 gbm function not working 2017-03-27T03:23:51.823