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Algorithmintro

Principal component analysis

Also called Hotelling transform, Karhunen-Loeve transform, PCA, proper orthogonal decomposition.

Project data onto the orthogonal directions of maximal variance, computed from the covariance eigenvectors or the SVD.

Project data onto the orthogonal directions of maximal variance, computed from the covariance eigenvectors or the SVD.

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LadderLevelWhat the next level needs
Human proofH0 no proof
  • add a proof in proofs/ (06.5)
LeanL0 no Lean part
  • name a Lean module in the lean field (07)
VisualV0 none
  • add viz/scene.ts or a figure (10)
WritingW0 stub
  • the section The problem
  • pseudocode in The algorithm
  • complexity claims in the front matter
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