Table 1 Descriptive statistics of intercity investment network on investment frequency.
Type | Year | Number of city node | Number of city dyad | Sum | Mean | Min | Median | Max | SD |
|---|---|---|---|---|---|---|---|---|---|
Directed network | 2000 | 362 | 10671 | 76186 | 7 | 1 | 2 | 1540 | 32 |
2005 | 366 | 15895 | 149491 | 9 | 1 | 2 | 2447 | 46 | |
2010 | 367 | 22895 | 271349 | 12 | 1 | 2 | 3742 | 63 | |
2015 | 367 | 33621 | 608031 | 18 | 1 | 2 | 9655 | 125 | |
2020 | 367 | 51584 | 1808636 | 35 | 1 | 3 | 20318 | 292 | |
Undirected network | 2000 | 362 | 7846 | 76186 | 10 | 1 | 2 | 2089 | 49 |
2005 | 366 | 11474 | 149071 | 13 | 1 | 2 | 3326 | 72 | |
2010 | 367 | 16364 | 271349 | 17 | 1 | 2 | 5764 | 101 | |
2015 | 367 | 23418 | 608031 | 26 | 1 | 3 | 15746 | 203 | |
2020 | 367 | 33892 | 1808636 | 53 | 1 | 4 | 36473 | 490 |
