Which one is right about pre-pruning and post-pruning?A...
单项选择题Which one is right about pre-pruning and post-pruning?
A、Both of them are methods to deal with overfitting problem
B、Pre-pruning does not split a node if this would result in the goodness measure falling below a threshold
C、Post-pruning removes branches from a “fully grown” tree
D、It is easy to choose an appropriate threshold when making pre-pruning
