Fig. 6.
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Fig. 6.
Pearson correlation coefficients (r) between the measured and predicted values using the validation data (n=30) at different sampling densities for training (n=30 to 107 in
Table 2
): (a) As, (b) Pb.
Econ. Environ. Geol. 2022;55:353-66
https://doi.org/10.9719/EEG.2022.55.4.353
© 2022 Econ. Environ. Geol.