What is Overfitting and How to Solve It?

Originally published on Towards AI the World's Leading AI and Technology News and Media Company. If you are building an AI-related product or service, we invite you to consider becoming an AI sponsor. At Towards AI, we help scale AI and technology startups. Let us help you unleash your technology to the masses. As an econometrician or a data scientist, your task is to develop robust models and you need to master the regression (I love how J.Angrist says it) and how to regularize it. For instance, for linear models, although linear regression is a golden standard for modeling, it might be not the best solution in certain circumstances.