which technique is useful when oversampling the other class why sampling and classification are useful for an unbalanced dataset what is the difference between over and under sampling why over sampling an unbalanced dataset why is over sampling useful? how does over-sampling of the rare class help can you oversample a class over sample unbalanced class what is the use of an undersampling technique what is cost sensitive what to oversampling unbalanced class why is over-sampling useful when the dataset is unbalanced? why do you oversample in a dataset why is over sampling useful in data mining why is over sampling useful in database analysis cost sensitive sampling of unbalanced dataset what is the over/under sampling over-sampling unbalanced dataset how does it work how to make a classifier cost sensitive why is undersampling necessary