1
Introduction
1.1
What is a Network?
1.2
What is A
Social
Network?
1.3
The Two Faces of Social Network Analysis
2
Graphs
2.1
Social Network Analysis: From Relationships to Graphs
2.2
The Building Blocks of Graphs: Edges and Nodes
2.3
Symmetric Relations and Undirected Graphs
2.4
Asymmetric Relations and Directed Graphs
2.5
Anti-Symmetric Ties and Tree Graphs
2.6
Average Degree
2.7
Degree Distributions
2.8
Order and Size
2.9
Density
2.10
Ego-Centric Networks
2.11
Weighted Ties as a Measure of Strength
2.12
Di-Graphs/Two-Mode Networks
2.13
Collecting Network Data
2.14
Practice Problems
3
Matrices
3.1
From Graph to Matrix
3.2
The Adjacency Matrix
3.3
The Symmetric Adjacency Matrix
3.4
The Asymmetric Adjacency Matrix
3.5
Matrix Multiplication
3.6
Affiliation/Two-Mode Matrix
3.7
The Reachability Matrix
3.8
Edge List
3.9
Practice Problems
4
Centrality and Composition
4.1
Degree Centrality
4.2
In-degree/Out-degree centrality
4.3
Betweenness Centrality
4.4
Eigenvector Centrality
4.5
Network Composition Measurements
4.6
Homophily
4.7
Practice Problems
5
Subgraphs
5.1
Practice Problems
6
Where Do Networks Come From?
7
Network Structure and Social Outcomes
8
Whole Network
9
Diffusion
3.6
Affiliation/Two-Mode Matrix
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