Independent Component Analysis: An Approach to Clustering.
Jamal B. Bugrien, John T. Kent · 2009
Independent component analysis (ICA) (Hyvarinen et al., 2001), and projection pursuit (PP) (Jones and Sibson, 1987), are closely related techniques, which try to look for “interesting” directions (projections) in the data. ICA assumes a model, , where is a vector of observed random variables, is a \t