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Título

Comparison of different multiway methods for the analysis of geographical metal distributions in fish, sediments and river waters in Catalonia.

Autor Peré-Trepat, Emma; Ginebreda Martí, Antoni; Tauler, Romà
Palabras clave MCR-ALS
PCA
PARAFAC
TUCKER3
Matrix Augmentation (MA)
Fish
Sediments
Waters
Catalonia
Fecha de publicación 15-ago-2007
EditorElsevier
Citación Chemometrics and Intelligent Laboratory 88(1): 69-83 (2007)
ResumenComparison of different multiway data analysis methods based on Principal Component Analysis and Multivariate Curve Resolution Matrix Augmentation bilinear models and on PARAFAC and TUCKER3 models is performed in the analysis of a three-way data set built up by the analysis of 11 metal ions in 17 fish, sediment and water samples from the same river site locations of Catalonia (NE, Spain). Adaptation of Multivariate Curve Resolution to PARAFAC and TUCKER3 type of models showed the flexibility of this method to handle different data structures and also to fulfill different constraint types. Although the way the results were obtained using these different chemometric methods varied, similar environmental interpretations and conclusions were derived independently of the chemometric method used for data analysis.
Descripción 15 pages, 11 figures, 3 tables.-- Available online on Nov 29, 2006.
Versión del editorhttp://dx.doi.org/10.1016/j.chemolab.2006.09.009
URI http://hdl.handle.net/10261/11423
DOI10.1016/j.chemolab.2006.09.009
ISSN0169-7439
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