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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