Table 1 Intercity cooperative innovation innovation network clusters.
Innovate condensed subgroups | North hinterland subgroup | Eastern coastal subgroup | Southern region subgroup | Western cooperative subgroup | |
|---|---|---|---|---|---|
Degree Centrality CD | Point-in degree | 10.13 | 23.19 | 11.09 | 4.24 |
Point-out degree | 9.82 | 24.12 | 10.65 | 4.64 | |
Centrality | 19.96 | 47.31 | 21.74 | 8.88 | |
Betweenness Centrality CC | 22.85 | 29.43 | 25.43 | 15.73 | |
Closeness Centrality CB | The inner Closeness Centrality | 7.74 | 8.02 | 7.79 | 7.80 |
The outer Closeness Centrality | 30.59 | 37.45 | 33.21 | 23.52 | |
Centrality | 279.06 | 285.89 | 259.98 | 263.16 | |
E-I index | 0.161 | 0.083 | 0.350 | − 0.199 | |
Number of nodes | 45 | 26 | 46 | 25 | |
Innovation quality index | 1447.29 | 2051.14 | 1623.65 | 1498.20 | |