Phytoplankton analysis of portuguese reservoirs: a cluster analysis with R

Correia, Aldina; Lopes, Isabel Cristina; Silva, Eliana Costa e; Cabecinha, Edna

http://hdl.handle.net/10400.22/5831

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Authors

Correia, Aldina

Lopes, Isabel Cristina

Silva, Eliana Costa e

Cabecinha, Edna

Abstract(s)

In this work, cluster analysis is applied to a real dataset of biological features of several Portuguese reservoirs. All the statistical analysis is done using R statistical software. Several metrics and methods were explored, as well as the combination of Euclidean metric and the hierarchical Ward method. Although it did not present the best combination in terms of internal and stability validation, it was still a good solution and presented good results in terms of interpretation of the problem at hand.