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Original Articles

FUZZY CLASSIFICATION AND COMPARISON OF SOME ROMANIAN AND GERMAN MINERAL WATERS*

&
Pages 1541-1552 | Received 19 Feb 2001, Accepted 28 Mar 2001, Published online: 02 Feb 2007
 

Abstract

Different fuzzy clustering algorithms, namely hierarchical fuzzy clustering, hierarchical and horizontal samples and characteristics clustering and a new clustering technique, namely fuzzy hierarchical cross-classification were applied to the study of several German and Romanian natural mineral waters using data obtained from samples collected from different sampling sites covering, for example, a large part of the Romanian natural mineral waters. The characteristics clustering technique produces fuzzy partitions of the mineral waters properties involved and thus is a useful tool for studying (dis)similarities between different ions (speciation). The crossclassification algorithm provides not only a fuzzy partition of the mineral waters analysed, but also a fuzzy partition of the characteristics considered. In this way it is possible to identify which ions or other physico-chemical features are responsible for the similarities or differences observed between dierent groups of mineral waters.

*Dedicated to Professor G. E. Baiulescu on the occasion of his 70th anniversary.

Acknowledgments

Notes

*Dedicated to Professor G. E. Baiulescu on the occasion of his 70th anniversary.

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