Tag: xgboost

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

44 How to interpret the output of XGBoost importance? 2016-06-21T06:02:19.990

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

35 LightGBM vs XGBoost 2017-05-11T12:12:06.923

33 Why do we need XGBoost and Random Forest? 2017-10-14T12:33:00.527

30 Hypertuning XGBoost parameters 2015-12-13T14:19:54.510

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

27 xgboost: give more importance to recent samples 2015-12-22T17:19:37.870

27 Unbalanced multiclass data with XGBoost 2017-01-16T12:53:12.653

22 How to predict probabilities in xgboost? 2015-09-08T03:14:09.230

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

18 Pandas Dataframe to DMatrix 2016-07-15T13:48:09.557

18 XGBoost outputs tend towards the extremes 2018-01-24T00:52:02.337

17 XGBRegressor vs. xgboost.train huge speed difference? 2017-03-01T19:15:54.660

17 Lightgbm vs xgboost vs catboost 2019-04-19T06:08:16.700

15 Decision trees: leaf-wise (best-first) and level-wise tree traverse 2018-01-16T17:04:37.950

13 What is the difference in xgboost binary:logistic and reg:logistic 2016-01-15T11:00:41.637

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

12 Feature importance with high-cardinality categorical features for regression (numerical depdendent variable) 2017-04-05T18:23:12.657

12 Is it necessary to normalise data for XGBoost? 2019-09-28T13:35:03.533

11 XGBoost Linear Regression output incorrect 2015-12-22T11:34:37.877

11 Gradient Boosting Tree: "the more variable the better"? 2017-03-05T06:50:20.507

11 Is feature engineering still useful when using XGBoost? 2017-03-20T13:58:09.653

11 XGBoost for binary classification: choosing the right threshold 2017-03-24T22:23:56.137

10 Would you recommend feature normalization when using boosting trees? 2017-01-10T09:49:00.067

10 In XGBoost would we evaluate results with a Precision Recall curve vs ROC? 2017-01-10T16:29:11.570

10 XGboost - Choice made by model 2018-06-14T14:48:15.387

10 L1 & L2 Regularization in Light GBM 2019-08-08T17:08:44.763

10 Multi-country model or single model 2020-07-09T07:20:00.450

9 Will cross validation performance be an accurate indication for predicting the true performance on an independent data set? 2017-03-22T04:04:33.683

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

9 What is meant by Distributed for a gradient boosting library? 2018-11-15T14:24:52.373

8 How does Xgboost learn what are the inputs for missing values? 2016-11-23T09:46:50.240

8 XGBoost Feature importance - Gain and Cover are high but Frequency is low 2017-11-09T02:55:49.833

8 How to get a confidence score for predictions? 2018-01-06T18:36:27.480

8 Are the raw probabilities obtained from XGBoost, representative of the true underlying probabilties? 2018-03-08T12:42:35.623

8 Why is there a difference between predicting on Validation set and Test set? 2019-08-24T20:10:40.670

7 Is there a way of performing stratified cross validation using xgboost module in python? 2015-08-20T09:53:43.280

7 Layman's Interpretation of XGBoost Importance 2018-01-07T19:59:02.353

7 Why do we use gradients instead of residuals in Gradient Boosting? 2018-05-13T20:25:59.203

7 What is query id ("qid") in XGBoost 2020-03-11T17:40:59.557

7 What is the proper way to use early stopping with cross-validation? 2020-05-17T15:15:41.740

6 How to place XGBoost in a full stack for ML? 2015-11-22T16:18:47.337

6 Gradient boosting algorithm example 2015-11-30T16:08:12.507

6 How to determine feature importance while using xgboost in pipeline? 2016-12-30T17:29:52.647

6 Why don't tree ensembles require one-hot-encoding? 2017-04-02T03:37:47.290

6 Xgboost - How to use feature_importances_ with XGBRegressor()? 2017-06-21T15:33:34.167

6 XGBoost results are not invariant under monotone predictor transformations? 2018-06-04T22:07:38.617

6 XGBoost: Quantifying Feature Importances 2018-07-09T17:30:48.627

6 XGBoost Huge Dataset ~1TB 2019-06-15T08:05:34.913

6 Get feature importance for each observation with XGBoost 2019-08-02T11:35:25.793

6 xgboost: Is there a way to perform regression on rates/percentages data? 2019-08-06T01:25:13.453

6 How to extract trees in XGBoost? 2019-08-20T20:05:07.363

6 Why gradient boosting uses sampling without replacement? 2020-02-07T06:59:16.777

6 Optimising for Brier objective function directly gives worse Brier score than optimising with custom objective - what does it tell me? 2020-04-06T07:27:07.103

6 XGBoost skews towards minority class 2020-09-21T02:55:52.873

5 Importance of feature selection for boosting methods 2016-04-07T09:03:49.453

5 Xgboost predict probabilities 2016-10-14T11:50:40.087

5 What does it mean to "warm-start" XGBoost? 2017-01-30T16:38:18.777

5 What are the "extra nodes" in XGboost? 2017-06-02T18:15:24.010

5 How does LightGBM deal with value scale? 2017-08-07T14:46:02.643

5 What feature engineering is necessary with tree based algorithms? 2017-08-08T15:00:47.583

5 Overfitting XGBoost 2017-10-10T13:21:20.900

5 How to train a xgboost model on data that is too big for the memory? 2017-12-03T18:36:23.733

5 Prediction Intervals Using XGBoost 2017-12-06T11:17:19.067

5 Custom objective function in xgboost for Regression 2017-12-31T09:17:21.043

5 Cost-sensitive Logloss for XGBoost 2018-01-23T18:37:20.193

5 Is the early stopping of xgboost using correct 2018-04-17T21:19:04.727

5 Gridsearch XGBoost for ensemble. Do I include first-level prediction matrix of base learners in train set? 2018-05-26T15:19:43.243

5 What algorithms will stuck in the local minimum? 2018-06-06T23:11:33.107

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

5 Python XGBoost predict_proba returns very high or low probabilities 2019-07-18T08:36:01.917

5 XGBoost, binary classification: uneven number of observations per user 2019-07-22T18:01:31.530

5 Bagging vs Boosting, Bias vs Variance, Depth of trees 2019-10-15T13:19:59.797

5 What is Pruning & Truncation in Decision Trees? 2019-11-27T07:01:44.620

5 How are samples selected from training data in Xgboost 2020-01-08T09:32:51.250

5 XGBoost: how to adjust the probabilities of a binary classifier to match training data? 2020-01-31T17:09:22.633

5 XGBOOST - different result between train_test_split and manually splitting 2020-02-27T10:22:37.790

5 Understanding XG Boost Training (Multi class classification) 2020-04-04T10:45:18.163

5 How to use "tree boosting" with a data-driven loss function 2020-10-02T18:25:51.057

4 Can I fine tune the xgboost model instead of re-training it? 2015-09-17T23:06:50.597

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 When is Gradient Descent invoked on the objective function while running XGboost? 2016-09-15T05:53:00.727

4 Tuning Gradient Boosted Classifier's hyperparametrs and balancing it 2016-10-05T13:10:32.023

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

4 How does XGBoost compute the probabilities in predict_proba()? 2017-03-19T15:34:46.507

4 In XGBoost, how to change eval function and keeping same objective? 2017-05-17T13:36:53.513

4 python xgboost DMatrix - get feature values or convert to np.array 2017-07-11T10:55:04.823

4 What is the best way to deal with imbalanced data for XGBoost? 2018-02-25T14:02:12.957

4 Tactics to avoid feeling overwhelmed by machine learning 2018-03-09T05:00:42.317

4 How to optimize XGBoost performance accuracy? 2018-03-14T10:31:39.837

4 changing cost function in xgboost 2018-04-22T00:55:15.767

4 What's SHAP contribution dependency plots from xgboost package in R? 2018-05-29T06:12:42.167

4 XGBoost evaluation metric unbalanced data - custom eval metric 2018-06-14T20:18:40.180

4 Python XGBoost killing kernel 2018-07-04T02:53:46.323

4 Sensitivity analysis of a machine learning model 2018-09-24T20:55:39.100

4 Credit scoring using scorecardpy with XGBoost 2018-09-26T14:06:11.637

4 Handling unbalanced datasets with XG boosting 2018-09-26T14:51:40.280