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math.ST2023
Structure-preserving non-linear PCA for matrices
Joni Virta, Andreas Artemiou
We propose MNPCA, a novel non-linear generalization of (2D){PCA}, a classical linear method for the simultaneous dimension reduction of both rows and columns of a set of matrix…
math.ST2016★ 14 cited
Projection Pursuit for non-Gaussian Independent Components
Joni Virta, Klaus Nordhausen, Hannu Oja
In independent component analysis it is assumed that the observed random variables are linear combinations of latent, mutually independent random variables called the independent c…