Clustering of the structures by using “snakes-&-dragons” approach, or correlation matrix as a signal

English version

Autoři: Victor P. Andreev ^aff001; Gang Liu ^aff001; Jarcy Zee ^aff001; Lisa Henn ^aff001; Gilberto E. Flores ^aff002; Robert M. Merion ^aff001
Působiště autorů: Arbor Research Collaborative for Health, Ann Arbor, Michigan, United States of America ^aff001; Department of Biology, California State University, Northridge, California, United States of America ^aff002
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0223267

Souhrn

Biological, ecological, social, and technological systems are complex structures with multiple interacting parts, often represented by networks. Correlation matrices describing interdependency of the variables in such structures provide key information for comparison and classification of such systems. Classification based on correlation matrices could supplement or improve classification based on variable values, since the former reveals similarities in system structures, while the latter relies on the similarities in system states. Importantly, this approach of clustering correlation matrices is different from clustering elements of the correlation matrices, because our goal is to compare and cluster multiple networks–not the nodes within the networks. A novel approach for clustering correlation matrices, named “snakes-&-dragons,” is introduced and illustrated by examples from neuroscience, human microbiome, and macroeconomics.

Klíčová slova:

Functional magnetic resonance imaging – Hierarchical clustering – Macroeconomics – Microbiome – Shannon index – Snakes – Tongue – Consensus clustering

Zdroje

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Clustering of the structures by using “snakes-&amp;-dragons” approach, or correlation matrix as a signal

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Clustering of the structures by using “snakes-&-dragons” approach, or correlation matrix as a signal