Table 3 Single factor and joint factors’ detection by Geo-detector.
Determinants | Cd | Hg | Zn | Cu | As | |
|---|---|---|---|---|---|---|
PD for single factor | 0.267 | 0.158 | 0.305 | 0.312 | 0.460 | |
PD for joint factors | Cd | Â | Â | Â | Â | Â |
| Â | Hg | 0.547 | Â | Â | Â | Â |
| Â | Zn | 0.611 | 0.697 | Â | Â | Â |
| Â | Cu | 0.600 | 0.679 | 0.593 | Â | Â |
| Â | As | 0.682 | 0.795 | 0.620 | 0.654 | Â |