Table 4 Estimation results by quantile regression: full model
Quantiles | 0.10 | 0.25 | 0.5 | 0.75 | 0.90 |
|---|---|---|---|---|---|
Constant | 8437.364 | 10865.07 | 14691.87 | 18867.71 | 25474.17 |
\( \frac{NTowns}{Pop} \) | 186.2419 | 200.8443 | 472.8929 | 1246.982 | 2323.414 |
\( \frac{1}{Pop} \) | 2790.369 | 2072.114 | 1612.773 | −256.541 | −2870.05 |
\( \frac{UPo{p}^2}{Pop} \) | −582.815 | −790.664 | −1124.87 | −1489.6 | −2170.34 |
\( \frac{UPo{p}^3}{Pop} \) | 17.69066 | 25.17713 | 37.11554 | 52.52024 | 88.6423 |
\( \frac{UPo{p}^4}{Pop} \) | −0.1602 | −0.24401 | −0.36007 | −0.5324 | −0.96903 |
\( \frac{RPop}{Pop} \) | −6867.2 | −9253.76 | −13284.8 | −17565.5 | −24829.6 |
\( \frac{RPo{p}^2}{Pop} \) | −25.0469 | −22.1984 | −14.4934 | −13.016 | 7.5451 |
\( \frac{RPo{p}^3}{Pop} \) | 0.27828 | 0.22899 | 0.12407 | 0.16248 | 0.016699 |
\( \frac{RPo{p}^4}{Pop} \) | −0.00109 | −0.00086 | −0.00042 | −0.00069 | −0.00042 |
\( \frac{Area}{Pop} \) | 0.12069 | 0.29961 | 0.4339 | 0.43212 | 0.36434 |
\( \frac{Are{a}^2}{Pop} \) | −2.17E−06 | −4.66E−06 | −7.83E−06 | −8.46E−06 | −7.46E−06 |
\( \frac{Are{a}^3}{Pop} \) | 8.35E−12 | 1.92E−11 | 4.93E−11 | 9.98E−11 | 8.28E−11 |
\( \frac{Are{a}^4}{Pop} \) | 1.17E−17 | −5.10E−18 | −9.84E−17 | −3.44E−16 | −2.85E−16 |
Adj R2 | 0.46307 | 0.47224 | 0.48437 | 0.48294 | 0.47717 |