Introduction to social network analysis

5 important questions on Introduction to social network analysis

What is the dyad level

1. properties of pairs of nodes e.g. Brother - farther relation

What does dyad Distance  mean?

How many steps does it take to get from actor I to j via the shortest path? Direction matters! Average distance = distance averaged over all pairs of actors

How do you measure local density

proportion of possible ties between your friends that exist/ to what extent are your friends also friends with each other?






For actor C:
  • 3 friends (A, B, D)
  • Max number of ties between friends: 6 (A→B, B→A, A→D, etc.)
  • Existing ties: 1 (A→B)
  • Density of C’s personal network: 1/6
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What is degree centrality

number of ties of an actor

What is Eigenvector centrality

centrality weighted by centrality of your friends

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