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(factor analysis, hydrogeochemical processes, groundwater, factor loadings, Serbia)
similarities between samples (i.e. groundwater occurrences).The goal of multivariate statistical methods is to identify the hydrogeochemical processes that govern theformation of groundwater composition. If the geological and

factor analysis in identification of dominant hydrogeochemical processes of groundwater 59Table 1. Elementary statistical quantities for the 40 groundwater samples.Table 2. Factor loadings and percentage of variance explained by

GHEBREMICHAEL, K., BUAMAH, R. & AMY, G. 2011. Fluoride occurrence in groundwater in the Northern region of Ghana, Proceedings ofIWA Specialist Groundwater Conference in Belgrade,267–275.STEVENS, J.P. 1992. Applied multivariate