Chapter 07.03: Out-of-Bag Error Estimate
We introduce the concepts of in-bag and out-of-bag observations and explain how to compute the out-of-bag error estimate.
Lecture video
Lecture slides
Quiz
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## Which statements are true?
- [x] The OOB error shares similarities with cross-validation estimation. It can also be used for a quicker model selection.
- [x] In random forests for classification, a good rule of thumb is to use mtry = $\sqrt{p}$.