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Figure 3
Scatter plots of predicted versus measured natural log-transformed arsenic µ-XRF signals for selected spatial (plots 1, 3) and non-spatial (plots 2, 4) predictive models developed for ROI-100 (plots 1, 2) and ROI-10a (plots 3, 4). Plots 1 and 2 correspond with equations (3) and (4) in Table 2 ![]() ![]() |