Bias vs. Variance Tradeoff, Cross-Validation, and Overfitting in Prediction (Part 2)

This is the second part of the two-part video series that discusses the bias vs. variance tradeoff, overfitting, and basic cross-validation.

The R source code used in this video can be found here.

Note: You will want to play this video at 1080p HD and full screen in order to be able to see what is going on.

Bias vs. Variance Tradeoff, Cross-Validation, and Overfitting in Prediction (Part 1)

This video discusses the bias vs. variance tradeoff, overfitting, and basic cross validation. There are two parts. Part 1 (below) discusses the ideas. Part 2 shows an example using regression trees.

A pdf file of the slides used in this video can be obtained here.