Reconstruction of original dataset through loadings in PCA
3589
How to reverse PCA and reconstruct original variables from several principal components?
105513
Efficient by-element updates to SparseArrays
156166
PCA of non-Gaussian data
81049
What norm of the reconstruction error is minimized by the low-rank approximation matrix obtained with PCA?
25410
What is an intuitive explanation for how PCA turns from a geometric problem (with distances) to a linear algebra problem (with eigenvectors)?
121495
Decompose vector fields on product manifolds
36609
Creating a single index from several principal components or factors retained from PCA/FA
45832
What is the relation between k-means clustering and PCA?
7632
Interpretation of biplots in principal components analysis
81645
Combining PCA, feature scaling, and cross-validation without training-test data leakage
7442
completing the square for Gaussian multivariate estimation
2632
PCA and the train/test split
86082
Interpreting PCA scores
69637
Random Forests and data transformations
72375
Efficiently Constructing Rank One Approximations for a Matrix using SVD
79786
How would PCA help with a k-means clustering analysis?
26181
Using principal component analysis (PCA) for feature selection