no code implementations • 1 Nov 2019 • Hiroaki Sasaki, Takashi Takenouchi, Ricardo Monti, Aapo Hyvärinen
We develop two robust nonlinear ICA methods based on the {\gamma}-divergence, which is a robust alternative to the KL-divergence in logistic regression.
no code implementations • 6 Feb 2023 • Aapo Hyvärinen, Ilyes Khemakhem, Ricardo Monti
An old problem in multivariate statistics is that linear Gaussian models are often unidentifiable, i. e. some parameters cannot be uniquely estimated.