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The Candecomp/Parafac model is a widely-used tool for synthetizing three-way arrays through a limited number of components. Unfortunately, its applicability may be prevented by the risk of obtaining degenerate solutions, characterized by diverging, highly collinear and uninterpretable components. A recognized remedy is to impose (soft) orthogonality constraints to the components. In this context,...
The Candecomp/Parafac (CP) model decomposes a three-way array through components. In the practical use of CP, degeneracy may arise, i.e. CP parameter matrices with diverging, highly collinear and uninterpretable components. A frequently applied remedy to degeneracy is to fit a CP model with orthogonality constraints on one of the component matrices. However, this does not guarantee that the so-extracted...
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