Selecting "main" variables from PCA
26181
Using principal component analysis (PCA) for feature selection
6058
Visualizing a million, PCA edition
6590
PCA and proportion of variance explained
156944
Is there a test/technique/method for comparing principal components decompositions between samples?
26034
Choosing variables to include in a multiple linear regression model
76866
Positioning the arrows on a PCA biplot
116179
Is principal component regression (PCR) using principal component scores for regression?
76907
Select / assign to data.table when variable names are stored in a character vector
10466
Making sense of principal component analysis, eigenvectors & eigenvalues
157062
Dimensionality reduction (SVD or PCA) on a large, sparse matrix
84446
How to project a new vector onto PCA space?
141697
Robust method to extract "pure" part of a variable
114794
Is there any advantage of SVD over PCA?
45349
Why is variable selection necessary?
17025
What exactly is called "principal component" in PCA?
14181
Can averaging all the variables be seen as a crude form of PCA?
3589
How to reverse PCA and reconstruct original variables from several principal components?