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From: www.connectedaction.net Connections among the Twitter users who recently tweeted the word msr20 when queried on September 26, 2011, scaled by numbers of followers (with outliers thresholded). Connections created when users reply, mention or follow one another. See: research.microsoft.com/en-us/ and research.microsoft.com/en-us/news/features/anniversaryove... Layout using the "Group Layout" composed of tiled bounded regions. Clusters calculated by the Clauset-Newman-Moore algorithm are also encoded by color. A larger version of the image is here: www.flickr.com/photos/marc_smith/6199302224/sizes/l/in/ph... Betweenness Centrality is defined here: en.wikipedia.org/wiki/Centrality#Betweenness_centrality Clauset-Newman-Moore algorithm is defined here: pre.aps.org/abstract/PRE/v70/i6/e066111 Top most between users: @msftresearch @msftnews @zephoria @msftnext @askpang @microsoftemea @microsoftpress @microsoftnl @stevecla @romicrosoft Graph Metric: Value Graph Type: Directed Vertices: 257 Unique Edges: 942 Edges With Duplicates: 396 Total Edges: 1338 Self-Loops: 64 Connected Components: 3 Single-Vertex Connected Components: 2 Maximum Vertices in a Connected Component: 255 Maximum Edges in a Connected Component: 1332 Maximum Geodesic Distance (Diameter): 5 Average Geodesic Distance: 2.222707 Graph Density: 0.016567364 NodeXL Version: 22.214.171.124 More NodeXL network visualizations are here: www.flickr.com/photos/marc_smith/sets/72157622437066929/ NodeXL is free and open and available from www.codeplex.com/nodexl NodeXL is developed by the Social Media Research Foundation (www.smrfoundation.org) - which is dedicated to open tools, open data, and open scholarship. The book, Analyzing social media networks with NodeXL: Insights from a connected world, is available from Morgan Kaufmann and from Amazon. Marc Smith on Twitter.
An analysis of Twitter messages suggests our moods are driven in part by a shared underlying biological rhythm that transcends culture and environment.
On Friday, October 7th, from 10:00-12:00p.m. Robert Ackland will be leading a workshop on Hyperlink Network Analysis in Frances Searle Room 1-459 on Northwestern University's Evanston Campus. The workshop will focus on analysis using the VOSON system and VOSON+NodeXL. Participants should bring laptops with Mozilla Firefox and VOSON+NodeXL installed, and must have a (free) VOSON user account.