Some features also have very little variance. If your output has a lot of variance, then do you think a feature with a low variance will improve your model? NO! To figure out the importance of each feature in a dataset, we use rank correlation.Data Correlation can make or break your Machine Learning Project2.9K16Soham ChatterjeeJeremyyFollowSep 4, 2018 · 1 min readVariance in features