5-Minute Machine Learning

Principal Component Analysis

Image from Unsplash.com by @iamrbn

Principal component analysis (PCA) is one of the most basic and widely used dimension reduction techniques. However, I’d also say its one of the least understood from a technical standpoint and maybe seen as “black box”. I’m going to try to clearly, and in 5 minutes, explain PCA for anyone to understand. I’ll also include python code for each step, wrapped in a function…