Your Dataset Is Imbalanced? Do Nothing!

"We have a problem: this dataset is imbalanced." After telling this, they usually start proposing some balancing techniques to "fix" the dataset, such as undersampling, oversampling, SMOTE, and whatnot. I think this is one of the most widespread misconceptions in the machine learning community. Class imbalance is not a problem! In this article, I will explain to you why.