Model Fit | ||||||||
R2 | Adjusted R2 | Log likelihood | AIC | |||||
0.74 | 0.65 | 1305.35 | 1446.73 | |||||
Model Estimation | ||||||||
 | β | t | ||||||
 | Min | Max | Mean | STD | Min | Max | Mean | STD |
Constant | 2.14 | 7.28 | 5.11 | 1.32 | 2.80 | 19.60 | 11.65 | 3.64 |
Water- content(%) | −5.45 | 3.18 | −0.61 | 2.10 | −8.07 | 6.44 | −0.94 | 4.30 |
Elevation(m) | −1.89 | 1.16 | −0.02 | 0.49 | −4.23 | 2.62 | 0.02 | 1.22 |
PH | −2.02 | 0.86 | −0.17 | 0.59 | −3.55 | 2.45 | −0.20 | 1.17 |
Temperature(°C) | −1.52 | 0.72 | −0.10 | 0.42 | −3.86 | 2.10 | −0.21 | 0.99 |
Diagnostic Tests | ||||||||
GWR Anova Table | ||||||||
 | SS | DF | MS | F | P | |||
Global Residuals | 2717.14 | 5.00 | Â | Â | Â | |||
GWR Improvement | 1901.67 | 88.27 | 21.54 | Â | Â | |||
GWR Residuals | 815.48 | 262.73 | 3.10 | 6.94 | <0.05 | |||
Geographical variability tests of local coefficients | ||||||||
 | F | DOF for F test | DIFF of Criterion | |||||
Constant | 4.19 | 2.83 | −8.61 | |||||
Water content | 7.39 | 3.20 | −25.92 | |||||
Elevation | 5.77 | 3.28 | −12.03 | |||||
PH | 6.84 | 3.31 | −15.74 | |||||
Temperature | 279.51 | 3.07 | −388.96 |