Working with graphs using Gephi

Gephi is open source software for visualizing and analyzing large networks graphs, which runs on Windows, Linux, and Mac OS X. We can freely download Gephi from its website, listed here. For installation instructions, please refer to AppendixSetting Up the Infrastructure:

To visualize your social network graph, you just need to open Gephi, click on the File menu and select Open, then look up and select our file, friends.gdf, and click on the Open button. We can see our graph in the following screenshot.

In the following screenshot, we can see the visualization of the graph (1,274 nodes and 43,928 links). The nodes represent friends and the links represent how the friends are connected ...

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