Fig. 3

Histograms of normalized input (DO-input, NO2-input, Cl-input, EC-input, Turbidity-input, pH-input, T-input) and output (DO-output) variables.

Histograms of normalized input (DO-input, NO2-input, Cl-input, EC-input, Turbidity-input, pH-input, T-input) and output (DO-output) variables.