Analizing statistical data to get trends, projections, relations, etc… is interesting and most of the time is better to see a visual representation to comprehend the relationships and get relevant data.
In Visualcomplexity.com I found this image from a study called Data visualisation of a social network made by Felix Heinen as a final project in Information design.

This image shows a perspective of the users geographic location to provide another way to see information instead of a plain database listing.