Table 2 Estimated model parameters.
From: Estimating urban spatial structure based on remote sensing data
|  |  | VNL ≥ 50 | |||||
|---|---|---|---|---|---|---|---|
Going out | Return | ||||||
(1) | (2) | (3) | (4) | (5) | (6) | ||
Box-Tidwell | VNL | − 0.804*** | – | NA | 1.736 | – | − 5.690 |
VNL × ADI | – | 0.450** | NA | – | 1.079 | 0.715 | |
Regression | Intercept | 11.23*** | 3.785*** | 6.060*** | 21,533*** | 18,070*** | 15,689*** |
VNL | − 120.7*** | – | − 0.006 | − 116*** | – | 56.1 | |
VNL × ADI | – | 0.181*** | 0.002*** | – | − 6.753*** | − 9.065*** | |
R2 | Â | 0.428 | 0.572 | 0.556 | 0.148 | 0.230 | 0.238 |
R2 (original) | Â | 0.474 | 0.731 | 0.700 | 0.148 | 0.230 | 0.239 |
RMSE | Â | 44,464 | 31,268 | 35,267 | 6798 | 6460 | 6424 |
F-value | Â | 107.9 | 192.4 | 89.4 | 25.0 | 43.1 | 22.3 |
degree of freedom | Â | 144 | 144 | 143 | 144 | 144 | 143 |
|  |  | VNL < 50 | |||||
|---|---|---|---|---|---|---|---|
Going out | Return | ||||||
(7) | (8) | (9) | (10) | (11) | (12) | ||
Box-Tidwell | VNL | 0.396*** | – | 0.396*** | 0.395*** | – | 0.397*** |
|  | VNL × ADI | – | − 0.023*** | 0.340 | – | − 0.024*** | 0.094 |
Regression | Intercept | 0.629*** | 105*** | 0.658*** | − 3.255*** | 300*** | − 3.082*** |
|  | VNL | 2.744*** | – | 2.709*** | 8.450*** | – | 8.299*** |
|  | VNL × ADI | – | − 107*** | 0.001 | – | − 310*** | 0.001 |
R2 | Â | 0.798 | 0.448 | 0.798 | 0.676 | 0.382 | 0.676 |
R2 (original) | Â | 0.560 | 0.266 | 0.563 | 0.650 | 0.306 | 0.650 |
RMSE | Â | 4116 | 5386 | 4099 | 3147 | 4475 | 3148 |
F-value | Â | 5954 | 1223 | 2980 | 3147 | 933.0 | 1572 |
degree of freedom | Â | 1510 | 1510 | 1509 | 1510 | 1510 | 1509 |
