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Independent component analysis and clustering for pollution data
Published in Kluwer Academic Publishers
Volume: 22
Issue: 1
Pages: 33 - 43
Independent component analysis (ICA) is closely related to principal component analysis (PCA). Whereas ICA finds a set of source variables that are mutually independent, PCA finds a set of variables that are mutually uncorrelated. Here we consider an objective classification of different regions in central Iowa, USA, in order to study the pollution level. The study was part of the Soil Moisture Experiment 2002. Components responsible for significant variation have been obtained through both PCA and ICA, and the classification has been done by K-Means clustering. Result shows that the nature of clustering is significantly improved by the ICA. © 2014, Springer Science+Business Media New York.
About the journal
JournalEnvironmental and Ecological Statistics
PublisherKluwer Academic Publishers
Open AccessNo