Confusion related to PCA
14181
Can averaging all the variables be seen as a crude form of PCA?
2632
PCA and the train/test split
46319
How to perform orthogonal regression (total least squares) via PCA?
81049
What norm of the reconstruction error is minimized by the low-rank approximation matrix obtained with PCA?
116179
Is principal component regression (PCR) using principal component scores for regression?
16641
Strange results of varimax rotation of principal component analysis in Stata: rotated components are all zeros and ones
155433
Examples of PCA where PCs with low variance are "useful"
101622
Choosing number of principal components to retain
67557
Imputation of missing values for PCA
126886
Do the principal components change if we apply PCA more than once (recursively) on data?
135047
Why does PCA maximize total variance of the projection?
6590
PCA and proportion of variance explained
154757
One component in PCA is always the mean vector in two-dimensions but not three
126726
PCA, LDA, CCA, and PLS
116362
Is PCA unstable under multicollinearity?
7632
Interpretation of biplots in principal components analysis
34539
How to intuitively understand eigenvalue and eigenvector?