In this video, we'll go through data preprocessing steps for 3 different datasets. We'll also go in depth on a dimensionality reduction technique called Principal Component Analysis. Coding challenge for this video: https://github.com/llSourcell/How_to_... Charles-David's Winning Code: https://github.com/alkaya/earthquake-... Siby Jack Grove's Runner-up code: https://github.com/sibyjackgrove/Eart...