Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 3 Validation of results of the model based on various statistical indicators
Element | Parameter tested | RMSE | Max ERR (%) | CRM | E | R2 |
|---|---|---|---|---|---|---|
Pb | Soil moisture (%) | 8.12 | 10.05 | −0.10 | 0.66 | 0.62 |
Concentration (ppm) | 15.33 | 15.34 | −0.09 | 0.68 | 0.66 | |
CU | Soil moisture (%) | 16.12 | 14.11 | −0.08 | 0.79 | 0.55 |
Concentration (ppm) | 12.1 | 20.22 | −0.11 | 0.65 | 0.7 | |
Ni | Soil moisture (%) | 18.11 | 23.14 | −0.01 | 0.75 | 0.5 |
Concentration (ppm) | 20.21 | 19.34 | –0.12 | 0.56 | 0.46 |