Principal component anaylsis, what do obtained coefficients tell me?
10466
Making sense of principal component analysis, eigenvectors & eigenvalues
7632
Interpretation of biplots in principal components analysis
3089
Why PCA of data by means of SVD of the data?
7612
How can I compute eigenvalues or characteristic polynomial of this matrix? Please help.
4244
How to compute PCA scores from eigendecomposition of the covariance matrix?
7328
The proof of shrinking coefficients using ridge regression through "spectral decomposition"
74282
Can I use PCA (or should I use regression) for testing the effect of multiple variables on one dependent variable?
42427
Understanding linear algebra in Ordinary Least Squares derivation
143679
Is the sign of principal components meaningless?
14465
"Normalizing" variables for SVD / PCA
26181
Using principal component analysis (PCA) for feature selection
143908
What are "rotated" and "unrotated" principal components, given that PCA always rotates the coordinates axes?
25535
Categorical Principal Component Analysis - using Count, Continuous, Ordinal variables together
6590
PCA and proportion of variance explained
41608
Weighted principal components analysis
126886
Do the principal components change if we apply PCA more than once (recursively) on data?
66241
What can the eigenvalues of unitary matrices tell us?