Tag: gbm

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

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

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

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

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

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

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

7 AdaBoost implementation and tuning for high dimensional feature space in R 2017-08-04T14:25:26.683

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

5 Decision Trees Nodes vs Leaves Definition 2018-04-03T19:37:36.817

5 LightGBM - Why Exclusive Feature Bundling (EFB)? 2018-11-30T14:36:56.090

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

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

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

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

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

4 Train classifier on balanced dataset and apply on imbalanced dataset? 2019-03-05T16:10:02.510

4 What happens if GBM parameters (e.g., learning rate) vary as the training progresses? 2019-03-25T15:35:31.007

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

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

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

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

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

3 Representing cyclical features as sin/cos components 2018-07-18T08:42:12.713

3 Does the performance of GBM methods profit from feature scaling? 2020-07-07T13:46:04.540

3 Are "Gradient Boosting Machines (GBM)" and GBDT exactly the same thing? 2020-09-19T13:42:30.070

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

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

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

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

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 Predicted Values in machine learning 2018-05-19T15:11:06.093

1 Is this random forest logical correct and correct implemented with R and gbm? 2018-10-01T17:30:03.037

1 How does L1 Loss work in lightGBM 2019-03-07T23:14:43.037

1 Bayesian optimization for a Light GBM Model 2019-05-09T09:26:19.630

1 using word embedding features with linear prediction models 2019-05-17T08:16:25.903

1 GBM: small change in the trainset causes radical change in predictions 2019-05-27T15:01:02.587

1 How to use "related" and "unrelated" as classes rather than multiple classes? 2019-12-08T14:08:23.550

1 Number of leaves for lightgbm is smaller than categories in one feature 2020-02-07T04:50:39.353

1 Loss function in GradientBoostingRegressor 2020-10-22T08:26:15.727

1 Does Gradient Boosting perform n-ary splits where n > 2? 2020-12-18T15:03:19.777

1 What quantile is used for the initial DummyRegressor for Gradient Boosting Regressor in scikit-learn? 2020-12-25T07:24:33.847

1 Which loss functions does h2o.gbm use by default? 2021-02-10T20:29:23.657

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

0 How does the number of trees effect the prediction time in gradient boost classification trees? 2018-04-11T16:26:30.563

0 Why is there a big drop off in performance in my GBM? 2018-05-02T13:06:59.440

0 Target feature in training set or not? 2018-10-09T06:56:24.187

0 if gbm overfit, will variable importance calculation be accurate 2020-08-10T02:03:27.667

0 Validation fraction parameter of sklearn's Gradient Boosted Classifier in use with time series data 2020-12-12T13:52:29.543

0 How to reconstruct a scikit-learn predictor for Gradient Boosting Regressor? 2020-12-23T07:00:50.533

0 Gbm prediction distribution different to training data 2021-01-03T03:33:54.213

0 Incremental learning for Gradient Boosting Classifier & Random Forest Clssifier 2021-01-24T21:05:16.880

-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