Table 3 A summary of the results for testing the effectiveness of the derived diet and physical activity measurements for enhancing obesity estimation using five statistical and machine learning models (i.e., OLS, GWR, RF, DNN, and GRF)
| Â | Â | OLS | GWR | RF | DNN | GRF | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
City | Fit measures | Base line | Test | Base line | Test | Base line | Test | Base line | Test | Base line | Test |
NYC | R2 | 0.861 | 0.869 | 0.975 | 0.977 | 0.894 | 0.898 | 0.879 | 0.895 | 0.934 | 0.934 |
RMSE | 2.194 | 2.127 | 0.926 | 0.898 | 1.916 | 1.881 | 2.045 | 1.907 | 1.508 | 1.506 | |
adjusted R2 | 0.860 | 0.868 | 0.968 | 0.969 | – | – | – | – | – | – | |
AIC | 8840.7 | 8723.0 | 6244.3 | 6237.8 | – | – | – | – | – | – | |
LA | R2 | 0.963 | 0.964 | 0.972 | 0.974 | 0.950 | 0.950 | 0.924 | 0.912 | 0.951 | 0.951 |
RMSE | 1.043 | 1.034 | 0.903 | 0.872 | 1.213 | 1.210 | 1.495 | 1.613 | 1.204 | 1.208 | |
adjusted R2 | 0.962 | 0.963 | 0.968 | 0.970 | – | – | – | – | – | – | |
AIC | 2811.5 | 2800.7 | 2732.3 | 2696.6 | – | – | – | – | – | – | |
Buffalo | R2 | 0.976 | 0.976 | 0.982 | 0.983 | 0.869 | 0.873 | – | – | 0.877 | 0.875 |
RMSE | 1.088 | 1.079 | 0.934 | 0.914 | 2.514 | 2.478 | – | – | 2.444 | 2.456 | |
adjusted R2 | 0.966 | 0.965 | 0.969 | 0.968 | – | – | – | – | – | – | |
AIC | 275.4 | 280.1 | 272.6 | 276.8 | – | – | – | – | – | – | |