k-Fold Cross-Validation 

This video provides a conceptual overview of k-fold cross-validation, which is a useful for framework for training models and evaluating predictive performance/accuracy.
To learn how perform k-fold cross-validation using R, check out this video where I demonstrate using a logistic regression model: • k-Fold Cross-Validatio...
For a written tutorial of how to perform k-fold cross-validation using R using a logistic regression model, check out my free ebook: rforhr.com/kfold.html
For a conceptual overview of statistical and empirical cross-validation techniques, check out this video: • Introduction to Cross-...