New AI for Science Book Warns PCA Components Aren't Always Meaningful
Author bravoabad announced a new AI book for science students, warning that PCA's first component captures the direction of greatest variance, not necessarily scientific meaning—illustrated with spectroscopy examples where variable weak bands dominate stable strong peaks.
2026-09-23 ~ 2026-09-23 · 2 related posts
- AI for Science Warning: Explained Variance Is Not Explained Science in PCA — bravo_abad · 2026-09-23
- New AI textbook for science students argues PCA's first component isn't the most meaningful direction — bravo_abad · 2026-09-23