期刊
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
卷 106, 期 1, 页码 21-26出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemolab.2010.05.022
关键词
Parafac model; Tucker3 model; Two-component models; Degeneracy; Rank-two core array; Rank-three core array
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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