![2016-06-20 | scikit-learn Pipeline gotchas, k-fold cross-validation, hyperparameter tuning and improving my score on Kaggle's Forest Cover Type Competition | ML Learning Log 2016-06-20 | scikit-learn Pipeline gotchas, k-fold cross-validation, hyperparameter tuning and improving my score on Kaggle's Forest Cover Type Competition | ML Learning Log](http://karlrosaen.com/ml/learning-log/2016-06-20/k-fold-diagram.png)
2016-06-20 | scikit-learn Pipeline gotchas, k-fold cross-validation, hyperparameter tuning and improving my score on Kaggle's Forest Cover Type Competition | ML Learning Log
![python 3.x - Is it normal for the r2 score to drop after the crossvalidation process? (Linear regression model) - Stack Overflow python 3.x - Is it normal for the r2 score to drop after the crossvalidation process? (Linear regression model) - Stack Overflow](https://i.stack.imgur.com/NMWzr.png)
python 3.x - Is it normal for the r2 score to drop after the crossvalidation process? (Linear regression model) - Stack Overflow
![Chapter 48 Applying k-Fold Cross-Validation to Logistic Regression | R for HR: An Introduction to Human Resource Analytics Using R Chapter 48 Applying k-Fold Cross-Validation to Logistic Regression | R for HR: An Introduction to Human Resource Analytics Using R](https://i.ytimg.com/vi/kituDjzXwfE/maxresdefault.jpg)