- _What are the practical approaches for reducing the expected new data error,
according to the book?_
It is impossible to calculate $E _{new}$ but it can be estimated using various methods. It is therefore hard to minimize $E _{new}$, in some cases a better loss funtion can reduce $E _{new}$.
[p. 65]
- _What important aspect should be considered when selecting minibatches,
