For groundwater applications, the trend of WQI development in the category of emerging-technologies, has also grown. In this category, can be cited: multivariate statistics and regression models72; multivariate statistics, probability curves and GIS69; regression models73; fuzzy methodology and GIS74;...
The effects of latent variables on the total treatment time were examined using multiple linear regression analyses. The significant variables were extracted and used in the multiple linear regression model to assess their predictive effect on treatment time. The stepwise method selected the independent ...