Table 1 Statistical descriptions of SVEIN and SVCN. k denotes the degree of users in the network
| Â | Â | Â | Degree | Weighted degree | ||||
|---|---|---|---|---|---|---|---|---|
| Â | N | f | mean | std | std/mean | mean | std | std/mean |
Panel A: SVEIN | Â | Â | Â | Â | Â | Â | Â | Â |
k>100 | 487 | 2.23% | 142.9 | 38.5 | 26.95% | 18,487.1 | 10,984.6 | 59.42% |
50<k ≤ 100 | 1394 | 6.39% | 68.8 | 13.9 | 20.22% | 5504.3 | 2935.4 | 53.33% |
k ≤ 50 | 19,925 | 91.37% | 10.0 | 11.8 | 117.95% | 477.0 | 1134.0 | 237.73% |
Panel B: SVCN | Â | Â | Â | Â | Â | Â | Â | Â |
k>100 | 60,748 | 1.46% | 142.2 | 45.8 | 32.23% | 1544.7 | 775.0 | 50.17% |
50<k ≤ 100 | 177,076 | 4.25% | 69.4 | 13.7 | 19.79% | 780.3 | 410.9 | 52.66% |
k ≤ 50 | 3,930,604 | 94.29% | 8.1 | 10.0 | 124.08% | 92.1 | 161.7 | 175.68% |