Journal
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
Volume 106, Issue 1, Pages 21-26Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemolab.2010.05.022
Keywords
Parafac model; Tucker3 model; Two-component models; Degeneracy; Rank-two core array; Rank-three core array
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This study investigates similarities and differences between Tucker3 models with two components for each mode and Parafac models with two components. If the core array of the 2 x 2 x 2 Tucker3 model is of rank 2 the solutions contain exactly the same information, but they do not when the rank of the core array is three. Two illustrative applications show the effect the different core arrays have on the solutions and their interpretability. (C) 2010 Elsevier B.V. All rights reserved.
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