Reconstruct the data using first principal component
3589
How to reverse PCA and reconstruct original variables from several principal components?
70640
Recovering eigenvectors from SVD
90215
Proof/Derivation of Residual Sum of Squares (Based on Introduction to Statistical Learning)
20856
Inverse of Linear Transformations
70917
What's the difference between principal component analysis and multidimensional scaling?
29381
How to perform dimensionality reduction with PCA in R
2632
PCA and the train/test split
103860
Initializing K-means centers by the means of random subsamples of the dataset?
49582
How to visualize what canonical correlation analysis does (in comparison to what principal component analysis does)?
59598
The vectors are orthonormal
45858
How to compute varimax-rotated principal components in R?
14465
"Normalizing" variables for SVD / PCA
55847
PCA demeaning the data
156981
Generating data with a given sample covariance matrix
115584
Dataset transformation for clustering after PCA
14181
Can averaging all the variables be seen as a crude form of PCA?
25535
Categorical Principal Component Analysis - using Count, Continuous, Ordinal variables together