Cluster analyze approach in monitoring some physico-chemical parameters of drinking water from municipal network of Cluj-Napoca town.
作者： Tania Mihăiescu , Antonia Odagiu , Ilie Covrig , Ioan Gheorghe Oroian , Dan Vârban
DOI: 10.15835/BUASVMCN-AGR:6534
关键词:
摘要: A data matrix, obtained from a 2-year (2010 – 2011) monitoring programme, was subjected to cluster analyze obtain information about pH, electric conductivity and dissolved oxygen drinking water sampled six sites, identify possible variances in quality, problems town pipe network, even indications on its toxicity. The analyzed parameters were also compared the same quantified samples prelevated source Tarniţa Lake. processed with STATISTICA v.7.0 programme. suitability of multivariate statistical (CA our case) for discussing demonstrated by kurtosis skewness values. spatial CA emphasizes three clusters two electrical high internal homogeneity, external heterogeneity (p < 0.001), homogeneity moderate 0.05), different degrees similarities. Very significant distinctly differences, respectively, reported between pH average sample Cluj-Napoca network supplying point (Tarniţa Lake), while concerning oxygen, difference statistically not significant.
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