PCA, t-SNE, UMAP

20 sütunluk bir veri gerçekten 20 boyutlu mu? Genelde hayır. Ve bunu bulmak hem hızlandırır hem anlamayı kolaylaştırır.

Kaynaklar

• Pearson, K. 1901 · On Lines and Planes of Closest Fit to Systems of Points in Space · Philosophical Magazine, 2(11)
• Hotelling, H. 1933 · Analysis of a Complex of Statistical Variables into Principal Components · J. Educational Psychology, 24
• van der Maaten, L. & Hinton, G. 2008 · Visualizing Data using t-SNE · JMLR, 9, 2579–2605
• McInnes, Healy, Melville 2018 · UMAP: Uniform Manifold Approximation and Projection · arXiv:1802.03426
• Wattenberg, Viégas, Johnson 2016 · How to Use t-SNE Effectively · Distill