Table 1 Networks and their characteristics of friendship index distribution, \(\beta \) is the friendship index, \(\gamma \) is the power law exponent
From: Friendship paradox in growth networks: analytical and empirical analysis
Network | |V| | |E| | β > 1, % | γ | Directed |
|---|---|---|---|---|---|
Amazon products | 335,000 | 950,000 | 80.5 | 2.33 | − |
Phone calls | 37,000 | 92,000 | 78.6 | 2.7 | − |
Github users | 37,700 | 289,000 | 99.0 | 1.11 | − |
Facebook artists | 50,500 | 819,000 | 93.4 | 1.6 | − |
Literature citations | 449,700 | 4,689,500 | 84.3 | 1.34 | + |
Web hyperlinks | 875,000 | 5,105,000 | 75.4 | 1.28 | + |