user avatar
user avatar
user avatar
Ben Reiniger
  • Member for 3 years, 11 months
  • Last seen this week
19 votes
Accepted

L1 & L2 Regularization in Light GBM

14 votes

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

11 votes
Accepted

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

9 votes
Accepted

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

8 votes

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

8 votes
Accepted

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

8 votes

Decision tree with final decision being a linear regression

8 votes

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

8 votes
Accepted

Why use fit when already have fit_transform?

7 votes

Why GridSearchCV returns nan?

7 votes
Accepted

ROC AUC score is much less than average cross validation score

7 votes
Accepted

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

7 votes
Accepted

How to extract trees in XGBoost?

7 votes

How do we standardize arrays with NaN?

7 votes
Accepted

Default value of learning rate in adam optimizer - Keras

6 votes
Accepted

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

6 votes

Why decision tree needs categorical variable to be encoded?

6 votes
Accepted

Probability calibration is worsening my model performance

6 votes

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

5 votes
Accepted

Can ridge regression be used for feature selection?

5 votes
Accepted

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

5 votes
Accepted

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

5 votes

Understanding predict_proba from MultiOutputClassifier

5 votes
Accepted

Logistic regression does cannot converge without poor model performance

5 votes

handling missing values for LightGBM model

5 votes
Accepted

Several independent variables based on the same underlying data

5 votes
Accepted

Why does gridsearchCV fit fail?

4 votes
Accepted

What are the differences between the below feature selection methods?

4 votes

Trying to figure out which the training set is

4 votes
Accepted

Make a random forest estimator the exact same of a decision tree

1
2 3 4 5
14