I’m taking a Social Network Analysis class on Coursera. These weren’t assignments for the class (well, the Facebook one sort of was), just some experiments I wanted to share. Facebook You can use netvizz to download a gdf file of your Facebook network, i.e., all of your Facebook friends and all of the connections between them. You can then use your favorite graph analysis software (I used Gephi, which is open-source and free) to look for patterns. My Facebook network is in the image below. Of the four main clusters, two consist of co-workers, one is family and one is people I know from roller hockey. Twitter This is the network of people I follow on Twitter. I used NodeXL (a free, open-source template for Excel) to download and lay out the data. I labeled the nodes in this one. With a few exceptions, the light blue nodes are people… Read more →