Publisert 2017

Les på engelsk

Publikasjonsdetaljer

Tidsskrift : Journal of Chemometrics , vol. 31 , 2017

Internasjonale standardnummer :
Printed : 0886-9383
Electronic : 1099-128X

Publikasjonstype : Vitenskapelig artikkel

Bidragsytere : Smilde, Age K.; Måge, Ingrid; Næs, Tormod; Hankemeier, Thomas; Lips, Miriam B.; Kiers, Henk A. L.; Acar, Evrim; Bro, Rasmus

Sak : 7

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Kjetil Aune
Bibliotekleder
kjetil.aune@nofima.no

Sammendrag

In many areas of science, multiple sets of data are collected pertaining to the same system. Examples are food products that are characterized by different sets of variables, bioprocesses that are online sampled with different instruments, or biological systems of which different genomic measurements are obtained. Data fusion is concerned with analyzing such sets of data simultaneously to arrive at a global view of the system under study. One of the upcoming areas of data fusion is exploring whether the data sets have something in common or not. This gives insight into common and distinct variation in each data set, thereby facilitating understanding of the relationships between the data sets. Unfortunately, research on methods to distinguish common and distinct components is fragmented, both in terminology and in methods: There is no common ground that hampers comparing methods and understanding their relative merits. This paper provides a unifying framework for this subfield of data fusion by using rigorous arguments from linear algebra. The most frequently used methods for distinguishing common and distinct components are explained in this framework, and some practical examples are given of these methods in the areas of medical biology and food science.

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