Top "Cross-validation" questions

Cross-Validation is a method of evaluating and comparing predictive systems in statistics and machine learning.

How to Plot PR-Curve Over 10 folds of Cross Validation in Scikit-Learn

I'm running some supervised experiments for a binary prediction problem. I'm using 10-fold cross validation to evaluate performance in terms …

python plot machine-learning scikit-learn cross-validation
Getting features in RFECV scikit-learn

Inspired by this: http://scikit-learn.org/stable/auto_examples/feature_selection/plot_rfe_with_cross_validation.html#sphx-glr-auto-examples-feature-selection-plot-rfe-with-cross-validation-py I am …

python scikit-learn cross-validation rfe
Validation and Testing accuracy widely different

I am currently working on a dataset in kaggle. After training the model of the training data, I testing it …

machine-learning deep-learning cross-validation training-data kaggle
Early stopping with Keras and sklearn GridSearchCV cross-validation

I wish to implement early stopping with Keras and sklean's GridSearchCV. The working code example below is modified from How …

machine-learning scikit-learn keras cross-validation grid-search
How to implement SMOTE in cross validation and GridSearchCV

I'm relatively new to Python. Can you help me improve my implementation of SMOTE to a proper pipeline? What I …

python scikit-learn pipeline cross-validation grid-search
Saving a cross-validation trained model in Scikit

I have trained a model in scikit-learn using Cross-Validation and Naive Bayes classifier. How can I persist this model to …

python scikit-learn pickle cross-validation
Python: Logistic regression max_iter parameter is reducing the accuracy

I am doing multiclass/multilabel text classification. I trying to get rid of the "ConvergenceWarning". When I tuned the max_…

python logistic-regression cross-validation multiclass-classification
Does GridSearchCV perform cross-validation?

I'm currently working on a problem which compares three different machine learning algorithms performance on the same data-set. I divided …

python machine-learning scikit-learn cross-validation grid-search