Yohan John 🤖🧠 on Nostr: "...we show that extreme dimension reduction, from hundreds or thousands of ...

"...we show that extreme dimension reduction, from hundreds or thousands of dimensions to 2, inevitably induces significant distortion of high-dimensional dataset. "

I was tinkering with t-SNE, UMAP, PCA, and MDS — I noticed this distortion for the first two methods.

https://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1011288