How to Use UMAP For Much Faster And Effective Outlier Detection
Let’s catch those high-dimensional outliers
Published in
6 min readSep 13, 2022
Introduction
We’ve all used those simple techniques — plot a scatterplot or a KDE, and the data points farthest from the group are outliers. Now, tell me — how would you use these methods if you were to find outliers in, say, 100-dimensional datasets…