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(factor analysis, hydrogeochemical processes, groundwater, factor loadings, Serbia)
variance of theanalyzed data. Table 2 shows the extracted factors,their factor loadings and the attributed percentage ofthe variance. Factor loadings represent coefficientsof correlation between the variables and factors or

of carbonate and silicate minerals.Key words: factor analysis, hydrogeochemical processes, groundwater, factor loadings, Serbia.Апстракт. Мултиваријантне статистичке методе користе се у циљу свођења великог броја податакана

contribution of acertain variable to each of the extracted factors (FIELD2005). In this example, only the factor loadings whoseabsolute value was greater than0.5 (bolded values in Table 2)were interpreted (STEVENS1992). It was