Convergence of City Relational Network, Production Sector Structure, and Regional Development

Table 3

Ridge regression result.

	2012∼2018			2004∼2011
(Intercept)	−1.336	−1.243	−1.330	−1.501	−1.383	−1.521
X0	−0.098	−0.099	−0.098	−0.192	−0.201	−0.199
X1	0.006	0.006	0.006	−0.001	−0.002	−0.001
X2	−0.014	−0.015	−0.015	−0.041	−0.045	−0.044
X3	0.259	0.261	0.257	0.298	0.308	0.302
X4	−1.670	−1.685	−1.672	1.436	1.474	1.492
X5	0.029	0.028	0.029	0.060	0.060	0.060
X6	0.081	0.078	0.080	0.021	0.020	0.022
X7	−0.067	−0.069	−0.068	−0.120	−0.133	−0.133
X8	0.012	0.013	0.013	0.010	0.011	0.011
X9	−0.042	−0.010	−0.027	−0.078	−0.035	−0.049
X10	0.021	0.022	0.021	0.072	0.078	0.079
X11	3.746	3.742	3.743	1.776	1.799	1.802
X12	0.016	0.016	0.016	−0.082	−0.082	−0.083
X13	0.850	0.846	0.893	−0.383	−0.403	−0.307
X3 × X9		−0.005			−0.006
X9 × X13			−0.017			−0.030
Best lamda	0.052	0.052	0.052	0.063	0.048	0.048
MSE	0.259	0.259	0.259	0.118	0.116	0.117

Note: All variables are taken as the average of the corresponding stage (2012–2018, or 2004–2011). Dependent variable is L. The Variables were standardized.