I’ve had much better luck with umap than PCA and t-sne for reducing embeddings.
PaCMAP (and its descendant localmap) are comparable to t-sne at preserving both local and global structure (but without messing much with finicky hyperparameters)
https://youtu.be/sD-uDZ8zXkc
PaCMAP (and its descendant localmap) are comparable to t-sne at preserving both local and global structure (but without messing much with finicky hyperparameters)
https://youtu.be/sD-uDZ8zXkc