9. Cross-validation Flashcards
1
Q
What is the prediction problem?
A
2
Q
How do we quantify prediction error?
A
- To quantify the prediction error, one needs to specify the discrepancy d(y, ˆy)
between a prediction ˆy and the actual response y. We can do it for regression and classification
3
Q
What is the true error rate?
A
4
Q
How does the mean squared error relate to the true error?
A
the mse is the closest we casn get?
5
Q
What is cross validation how does it work
A
6
Q
A
7
Q
A