UMAP explained simply

https://www.tilestats.com/ 1. UMAP on the MNIST dataset (0:40) 2. UMAP on scRNAseq data (03:00) 3. UMAP vs PCA (03:35) 4. The n_neighbors and min_dist parameters (06:02) 5. The math behind UMAP (13:15) 6. The cost function (15:37) 7. The gradient descent method in UMAP (16:00) 8. Estimate the parameters a and b based on the parameter min_dist (18:55)