Student Doctor Network Analysis

As a part of a paper investigating what educational factors are important to Veterinary Medical students, I have graphed the popular Student Doctor Network.
Click the link below to see a live version.
All personal information has been sanitized. Information is connected based upon two factors:

  1. Mutual co-occurrence
  2. Similar data 'fingerprints'

CLICK HERE to see a larger version of this.

Join the conversation:

What can we learn from this sort of a graph? How could this type of graph be improved?