Table 2 Ridge and LASSO regression analysis results.
From: Estimation of Regional Economic Development Indicator from Transportation Network Analytics
Ridge λ | Ridge R-squared | Ridge RMSE | Ridge Selected Features and Coefficients | LASSO λ | R-squared | RMSE | LASSO Selected Features and Coefficients | |
|---|---|---|---|---|---|---|---|---|
Liaoning | 21.62 | 0.887 | 69.9 | Intercept: 4.97e + 01 \({I}_{C}\): 1.18e-05 \({N}_{C}\):1.85e-05 | 0.06 | 0.932 | 54.2 | \({I}_{C}\): 4.4e-04 \({O}_{C}\): −4.2e-04 \({N}_{C}\): 3.30e-05 \({R}_{C}\): −6.5e + 02 \({I}_{K}\): −2.45e-06 \({O}_{K}\): −2.0e-06 \({N}_{K}\): −3.2e-05 \({R}_{K}\): 5.26 |
Jiangsu | 52.38 | 0.888 | 121.0 | Intercept: 2.9e + 02 \({I}_{C}\): 3.2e-07 \({O}_{C}\): 6.8e-07 \({N}_{C}\): 1.0e-05 \({O}_{K}\): 3.4e-05 | 18.39 | 0.882 | 124.2 | \({I}_{C}\): 5.8e-06 \({N}_{C}\): 1.0e-05 \({O}_{K}\):3.8e-05 |
Shaanxi | 16.89 | 0.961 | 32.59 | \({I}_{C}\): 6.61e-08 \({O}_{C}\): 1.29e-06 \({N}_{C}\): 2.82e-06 \({N}_{K}\): 1.27e-05 | 0.70 | 0.965 | 30.66 | Intercept: −2.02e + 02 \({I}_{C}\): 1.15e-06 \({O}_{C}\): 7.55e-07 \({N}_{C}\): 2.83e-06 \({R}_{C}\): 2.94e + 02 \({N}_{K}\): 1.47e-05 \({R}_{K}\): −3.05e + 01 |
All | 25.23 | 0.570 | 213.4 | Intercept: 1.31e + 02 \({I}_{K}\): 3.53e-05 \({O}_{K}\): 5.05e-06 \({N}_{K}\): 2.31e-05 | 6.70 | 0.569 | 213.5 | Intercept: 3.15e + 02 \({I}_{K}\): 4.28e-05 \({N}_{K}\): 2.62e-05 \({R}_{K}\): −1.99e + 02 |
