Class Imbalance and Oversampling: A Formal Introduction

Let’s explore the class imbalance problem and how resampling methods such as random oversampling attempt to solve it.

Lately, I have been building a package to address class imbalance in Julia called Imbalance.jl. It took me a lot of effort in terms of reading papers and looking at implementations while building the package so I thought it may be helpful to share what I’ve learned about the class imbalance problem in general, along with some of the most popular …

building class-imbalance data science explore introduction julia machine learning oversampling package random reading resampling solve terms undersampling