Tag: ensemble-modeling

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

18 Adaboost vs Gradient Boosting 2018-10-04T14:25:48.957

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

7 what is the difference between "fully developed decision trees" and "shallow decision trees"? 2016-01-11T07:07:23.557

6 Assumptions/Limitations of Random Forest Models 2015-06-05T05:18:26.460

6 Does ensemble (bagging, boosting, stacking, etc) always at least increase performance? 2017-02-23T17:45:29.633

6 How predictions of level 1 models become training set of a new model in stacked generalization. 2017-06-14T08:12:41.713

6 What are the individual models within a machine learning ensemble called? 2018-04-18T23:18:52.167

6 Is there any difference between a weak learner and a weak classifier? 2020-01-05T22:15:41.233

5 2 stage ensemble -- CV MSE valid in 1st stage but not in 2nd 2016-02-18T14:38:46.413

5 How to create an ensemble that gives precedence to a specific classifier 2018-01-11T19:13:36.383

5 Stacking and Ensembling methods in Data Science 2020-06-29T11:00:23.687

4 How to ensemble classifier incorporating all features in python? 2014-11-27T03:21:11.110

4 Ensembling vs clustering in machine learning 2016-04-05T20:25:46.083

4 clustering plus linear model versus non linear (tree) model 2016-04-14T13:25:16.030

4 What does Negative Log Likelihood mean? 2016-09-02T19:36:40.647

4 Sklearn Aggregating Multiple Fitted Models Into A Single Model? (binary classification) 2017-10-06T16:35:57.127

4 How to tune weights in Voting Classifier (Sklearn) 2017-10-16T16:10:00.417

4 Geometric and harmonic means in ensembling methods 2018-04-24T13:21:25.807

4 What is the meaning of the term "pipeline" within data science? 2018-07-20T15:02:49.187

4 Categorical data for sklearns Isolation Forrest 2018-07-25T14:29:33.800

4 SHAP value can explain right? 2019-11-26T00:42:54.147

4 Classification model accuracy with ensemble methods 2020-07-05T04:39:00.870

3 Is SuperLearning actually different to stacking,or are they essentially the same thing? 2016-06-30T00:26:19.793

3 Ensemble Techniques for multilabel data 2016-10-26T10:52:50.327

3 Improving classifier performances in R for imbalanced dataset 2017-04-12T09:58:27.700

3 Why some people add results from PCA and other dimensional reductions techniques as features 2017-06-20T07:29:09.913

3 Is linear regression on the trees of XGBoost (rather than taking their mean) useful/popular? 2018-10-30T00:44:16.557

3 Building Stacking machine learning model using three base classifiers 2018-11-19T15:34:27.410

3 Is there any implementation of Extended Isolation Forest algorithm in R/Python? 2018-12-31T12:26:02.120

3 Weighted Linear Combination of Classifiers 2019-05-14T17:41:34.700

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

2 Pick a model from multiple models using a decision tree 2015-10-19T11:31:55.477

2 Algorithmic approach to model blending 2016-03-17T13:56:10.293

2 EasyEnsemble explaination 2016-05-09T13:22:02.683

2 Where does the random in Random Forests come from? 2016-07-08T23:07:34.640

2 Decision Tree Ensembling 2017-01-25T12:57:36.497

2 How to do boosting in model-ensembling? 2017-02-23T18:29:53.903

2 Is there an R package for Locally Interpretable Model Agnostic Explanations? 2017-03-23T05:32:20.430

2 How to measure the correlation of different algorithms 2017-06-27T12:14:09.267

2 Taking average of multiple neural networks? 2018-01-29T04:19:13.520

2 Combining Different Models 2018-02-06T12:18:34.213

2 How to approach model reporting task 2018-02-20T15:43:12.233

2 Averaging CNN perform worse than boosting 2018-04-30T09:12:00.100

2 What methods can be used to detect duplicacy in image dataset? 2018-09-28T19:09:26.990

2 How are Decision Trees averaged in Random Forest? 2019-05-30T10:31:51.203

2 Gradient boosting how can accuracy increase when we lower the depth of tree? 2019-08-18T09:33:32.093

2 Training an ensemble of small neural networks efficiently in TensorFlow 2 2019-08-30T15:03:10.767

2 Random forest vs majority voting 2019-10-17T18:08:20.303

2 Is there a universal convergence rate when stacking models/experts? 2019-11-18T17:05:43.767

2 How to estimate the marginal distribution of a class with respect to one predictor in a classification task? 2019-12-05T17:25:30.500

2 Hyperparameter optimization, ensembling instead of selecting with CV criteria 2019-12-13T15:38:04.260

2 is it possible to use the train result as another feature and retrain? 2019-12-15T00:28:11.213

2 ValueError: "The estimator should be a classifier" 2020-03-16T17:32:01.933

2 Stacked Model performance? 2020-07-02T21:41:57.270

2 Is there any way to plot ROC curve for Ensemble hard voting classifier? 2020-07-07T17:56:53.977

2 How to improve model performace when model shows a systemic pattern in residues 2020-10-03T23:25:59.210

2 DecisionTreeRegressor under the hood of GradientBoostingClassifier 2020-10-29T18:22:24.220

2 How to tune an weighted voting ensemble method? 2020-11-23T23:24:39.857

1 Importance of variables in RandomForest in R 2015-12-16T21:21:35.683

1 Stacked features not helping 2015-12-28T19:38:08.663

1 Variable importance in ensemble models 2016-06-16T01:40:15.160

1 how to choose classifer 2016-06-18T02:48:46.153

1 Predictive Modeling of Multiple Items 2016-09-15T10:11:30.967

1 Compare probability estimates of two classifiers 2017-01-07T03:52:18.910

1 How to use ensemble of models in FM or FFM? 2017-01-13T13:01:01.133

1 How to use an existing model as in input into a new model 2017-05-02T05:40:10.713

1 Learning Algorithm that decide which model gives better results for each testing instance 2017-11-05T13:02:58.023

1 Re: Missing Value 2018-01-31T18:38:34.280

1 testing new data in model 2018-02-07T09:42:15.853

1 Retrieve user features in real time from UserId for prediction 2018-02-20T00:25:18.850

1 AdaBoost - Ensemble model perform poor than best weak classifier 2018-03-03T03:36:45.990

1 Multi-dimensional regression with ensemble models? 2018-03-22T16:26:13.097

1 Questions on ensemble technique in machine learning 2018-04-17T03:54:40.467

1 How to construct a self learning process for an ensemble model? 2018-04-26T11:19:22.560

1 heterogeneous input features for estimators in sklearn.ensemble.VotingClassifier 2018-08-03T14:32:27.717

1 Combining image and scalar inputs into a neural network 2018-08-03T15:50:06.247

1 Combining outputs of ridge regression models? 2018-08-21T18:39:57.203

1 Why Extra-trees should only be used within ensemble methods? 2018-09-03T10:28:31.613

1 best activation function for ensemble? 2018-10-02T03:17:03.620

1 Difference between bagging and boosting 2018-10-12T09:38:22.147

1 Voting classifier using grid search for Time Series 2018-12-07T13:25:48.893

1 Ensemble Method using XGBoost and RotationForest python 2018-12-17T17:20:27.043

1 checking model stability - Performance for different class 2019-01-19T04:45:03.503

1 Would it make technical sense to model its two known subelements separately (CLV example)? 2019-01-27T19:25:00.037

1 Understanding why ensembling only improves marginally 2019-02-07T16:10:54.463

1 Ensemble learning for multiple hypothesis classes 2019-03-24T15:21:21.863

1 Named Entity Recognition for Sesotho sa Leboa (Sepedi) one of the South African Official Language 2019-08-13T06:28:48.633

1 Ensemble Techniques - Bagging | Subset size 2019-10-07T06:29:26.383

1 Combining multiple neural networks with different activation functions 2019-10-10T19:21:02.047

1 When should we start using stacking of models? 2019-12-04T02:57:42.120

1 How to Predict Employee count of businesses using Keras classifiers 2019-12-10T01:24:14.873

1 How many models shall be used in ensemble modelling? 2020-01-03T04:45:10.327

1 What should I use as training data for base (level 1) classifiers in ensembling? 2020-01-12T20:58:24.243

1 What is the selection criteria to choose between XGBoost and Random Forest 2020-03-17T18:17:50.320

1 Domain specific language to describe ensemble model 2020-04-02T15:35:38.130

1 Creating a sub-model from pre-trained model 2020-04-06T10:01:47.137

1 Can bagging ensemble consist of heterogeneous base models? 2020-04-14T23:00:39.737

1 Can I use SVC() as a base_estimtor for ensemble methods? 2020-05-05T14:49:01.203