How to "mirror" PCA results
8333
Does the sign of scores or of loadings in PCA or FA have a meaning? May I reverse the sign?
29381
How to perform dimensionality reduction with PCA in R
70245
Why is the eigenvector in PCA taken to be unit norm?
126726
PCA, LDA, CCA, and PLS
81049
What norm of the reconstruction error is minimized by the low-rank approximation matrix obtained with PCA?
126886
Do the principal components change if we apply PCA more than once (recursively) on data?
55662
How to use principal components analysis to select variables for regression?
87432
How to get reflections from 3D to show up on real images
101622
Choosing number of principal components to retain
9286
Questions on PCA: when are PCs independent? why is PCA sensitive to scaling? why are PCs constrained to be orthogonal?
25410
What is an intuitive explanation for how PCA turns from a geometric problem (with distances) to a linear algebra problem (with eigenvectors)?
14381
I'm getting "jumpy" loadings in rollapply PCA in R. Can I fix it?
157971
How to perform a multi-peak fitting?
154899
Is it valid to perform PCA if Kaiser-Meyer-Olkin (KMO) index is very low?
6058
Visualizing a million, PCA edition
39636
I am running a processing PyQGIS script with grass i.pca but I am not getting results in my output folder
48567
Skewed variables in PCA or factor analysis