Model 4

Model 5

Model 7

Model 8

Log in-degree

0.694* (0.009)

0.511* (0.009)

0.577* (0.009)

0.295* (0.011)

Has degree

−0.847* (0.173)

−2.000* (0.225)

0.447** (0.178)

−1.866* (0.220)

Reciprocal

8.725* (0.285)

8.467* (0.292)

8.405* (0.287)

8.418* (0.327)

FoF

4.107* (0.051)

4.082* (0.054)

2 hops

6.556* (0.195)

9.424* (0.240)

3 hops

2.979* (0.191)

5.984* (0.237)

4 hops

0.869* (0.194)

3.882* (0.240)

5 hops

−0.172 (0.216)

2.800* (0.261)

³6 hops

−1.123* (0.279)

1.783* (0.321)

Last hop time diff

−0.076* (0.002)

−0.116* (0.003)

Log-likelihood

−10,802

−9886

−10,078

−8867

Test accuracy

0.8475

0.851

0.865

0.8735