Ben Reiniger's user avatar
Ben Reiniger's user avatar
Ben Reiniger's user avatar
Ben Reiniger
Moderator
  • Member for 5 years, 7 months
  • Last seen this week
29 votes
Accepted

L1 & L2 Regularization in Light GBM

15 votes

What would I prefer - an over-fitted model or a less accurate model?

12 votes
Accepted

Using a random forest, would a RandomForest performance be less if I drop the first or the last tree?

11 votes

Does scikit-learn have a forward selection/stepwise regression algorithm?

10 votes

Why GridSearchCV returns nan?

10 votes
Accepted

Is There a Way to Re-Calibrate Predicted Probabilities After Using Class Weights?

9 votes

Why decision tree needs categorical variable to be encoded?

9 votes
Accepted

Can Boosted Trees predict below the minimum value of the training label?

8 votes

What is the proper way to use early stopping with cross-validation?

8 votes

How do we standardize arrays with NaN?

8 votes

Decision tree with final decision being a linear regression

8 votes
Accepted

Why use fit when already have fit_transform?

7 votes

What's the default Scorer in Sci-kit learn's GridSearchCV?

7 votes
Accepted

What is the difference between a regular Linear Regression model and xgboost with objective set to "reg:linear"?

7 votes
Accepted

How to extract trees in XGBoost?

7 votes

Understanding predict_proba from MultiOutputClassifier

7 votes
Accepted

What makes a Tree-Structured Parzen Estimator "tree-structured?"

7 votes
Accepted

Default value of learning rate in adam optimizer - Keras

7 votes
Accepted

What happens if at leaf node both classes have same number of samples?

7 votes
Accepted

ROC AUC score is much less than average cross validation score

6 votes
Accepted

Why does it not need to set test group when using 'rank:pairwise' in xgboost?

6 votes

Why is there a difference between predicting on Validation set and Test set?

6 votes
Accepted

Probability calibration is worsening my model performance

6 votes
Accepted

Can ridge regression be used for feature selection?

6 votes
Accepted

Why does gridsearchCV fit fail?

5 votes
Accepted

Why do I get an ValueError for an SVR model with RFE, but only when using pipeline?

5 votes

xgboost: Is there a way to perform regression on rates/percentages data?

5 votes
Accepted

How to do k-folds in python whilst splitting into 3 sets?

5 votes
Accepted

Several independent variables based on the same underlying data

5 votes
Accepted

Logistic regression does cannot converge without poor model performance

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