What should and should not be done when facing an imbalanced classes problem?
If you have been working on classification problems for some time, there is a very high chance that you already encountered data with imbalanced classes.
The name speaks for itself, imbalanced data set occurs when there is an unequal representation of classes
When observation in one class is higher than the observation in other classes then there exists a class imbalance. Example: To detect fraudulent credit card transactions. …