3.1 Introduction3.2 Network Metrics of Power and Influence3.3 Degree Centrality3.4 Influence Centrality3.5 Clustering Coefficient3.6 Closeness Centrality3.7 Betweenness Centrality3.8 Eigenvector Centrality3.9 PageRank Centrality3.10 Hub and Authority3.11 Network Centralities Calculation by Group3.12 Summary