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Table 2 GWR models: association between mean snail density and natural characteristics in Dongting Lake region

From: Identification of optimum scopes of environmental factors for snails using spatial analysis techniques in Dongting Lake Region, China

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    
GWR Improvement 1901.67 88.27 21.54   
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