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. Author manuscript; available in PMC: 2019 Jun 18.
Published in final edited form as: Sci Total Environ. 2018 Nov 5;655:512–519. doi: 10.1016/j.scitotenv.2018.11.022

Figure 2.

Figure 2.

Variable importance for the random forest classification model that maximized the kappa agreement for three categories of nitrate (all predictor variables are defined in the SI)