Table 1 Descriptive statistics of the 14 studied activity networks
From: Uncovering the fragility of large-scale engineering projects
Number of nodes | Number of links | Density | Clustering | Average path length | Average degree | Max degree | Average reach | Max reach | Delay rate | |
|---|---|---|---|---|---|---|---|---|---|---|
project 1 | 10,734 | 15,524 | 1.4e-04 | 9.0e-02 | 16.7 | 2.9 | 106 | 279 | 2846 | 0.165 |
project 2 | 35,618 | 61,199 | 4.8e-05 | 2.7e-03 | 14.3 | 3.4 | 1887 | 869 | 14,848 | 0.235 |
project 3 | 17,160 | 25,790 | 8.8e-05 | 5.7e-02 | 28.6 | 3.0 | 231 | 1830 | 7909 | 0.177 |
project 4 | 2458 | 5525 | 9.2e-04 | 5.3e-02 | 12.5 | 4.5 | 137 | 252 | 2457 | 0.244 |
project 5 | 975 | 1367 | 1.4e-03 | 1.0e-01 | 17.6 | 2.8 | 66 | 75.5 | 335 | 0.359 |
project 6 | 544 | 776 | 2.6e-03 | 9.7e-02 | 32.3 | 2.9 | 39 | 141 | 430 | 0.305 |
project 7 | 29,080 | 50,101 | 5.9e-05 | 5.9e-03 | 20.5 | 3.5 | 1709 | 540 | 18,324 | 0.135 |
project 8 | 641 | 997 | 2.4e-03 | 2.9e-02 | 9.7 | 3.1 | 60 | 139 | 537 | 0.467 |
project 9 | 1287 | 2117 | 1.3e-03 | 1.2e-01 | 16.3 | 3.3 | 54 | 133 | 623 | 0.288 |
project 10 | 17,263 | 19,391 | 6.5e-05 | 5.4e-02 | 18.7 | 2.3 | 114 | 235 | 6265 | 0.131 |
project 11 | 13,625 | 25,034 | 1.4e-04 | 3.5e-02 | 15.9 | 3.7 | 589 | 541 | 13,501 | 0.201 |
project 12 | 3156 | 3237 | 3.3e-04 | 8.4e-02 | 14.7 | 2.1 | 37 | 46.4 | 451 | 0.215 |
project 13 | 282 | 292 | 3.7e-03 | 3.2e-02 | 9.6 | 2.1 | 17 | 11.1 | 128 | 0.136 |
project 14 | 15,757 | 22,648 | 9.1e-05 | 3.8e-02 | 14.6 | 2.9 | 401 | 198 | 3417 | 0.223 |