Chapter 04.01: Generalization Error
It is a crucial part of machine learning to evaluate the performance of a learner. We will explain the concept of generalization error and the difference between inner and outer loss.
Lecture video
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Quiz
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## Which statements are true?
- [x] We want to know how accurately a fitted model will predict target variable values for new, previously unseen data.
- [ ] Outer loss and inner loss are the same thing.
- [x] The data-generating process is the true underlying phenomenon creating the data.