The reachability matrix is able to be derived from multiplying the adjacency matrix by itself.
While graphs and matrices provide us powerful tools to examine the social world, we must never lose sight of the ultimate goal is to learn about the social world, and we can adapt the techniques to suit our particular question and data.
Table 0.3: Specific Terms Depending on Form of Analysis.
| Relationship | Graph | Matrix | |
|---|---|---|---|
| A and B mutually nominate | Reciprocal | Undirected | Symmetric |
| A nominates B only | Non-reciprocal | Directed | Asymmetric |