Fuzzy sets and eigenanalysis in community studies: classification and ordination are "two faces of the same coin"

With this paper we want to stress that, on the basis of some matrix algebraic theorems, eigenvectors of similarity matrices are strictly related with clusters that we can obtain with clustering procedures applied to the same similarity matrices and that the fuzzy sets obtained by cluster analysis ca...

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Veröffentlicht in:Community ecology 2013-12, Vol.14 (2), p.164-171
Hauptverfasser: Feoli, E., Zuccarello, V.
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description With this paper we want to stress that, on the basis of some matrix algebraic theorems, eigenvectors of similarity matrices are strictly related with clusters that we can obtain with clustering procedures applied to the same similarity matrices and that the fuzzy sets obtained by cluster analysis can be efficiently used as ordination axes and also as tools to measure the diagnostic value (or the indicator value) of attributes (species or other characters) of the ecological systems.
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subjects Animal Ecology
Biodiversity
Community & Population Ecology
Eigenvalues
Eigenvectors
Fuzzy sets
Index sets
Life Sciences
Marine & Freshwater Sciences
Matrices
Microbial Ecology
Ordination
Plant Ecology
Principal components analysis
Similarity theorem
Species
Vegetation
title Fuzzy sets and eigenanalysis in community studies: classification and ordination are "two faces of the same coin"
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