20120131-NodeXL-Twitter- global AND health top between

Some mental health network images: 20120131-NodeXL-Twitter- global AND health top between Image by Marc_Smith From: www.connectedaction.net These ar

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Some mental health network images:

20120131-NodeXL-Twitter- global AND health top between

Image by Marc_Smith
From: www.connectedaction.net

These are the most between Twitter users who recently tweeted the word global AND health when queried on January 31, 2012, scaled by numbers of followers (with outliers thresholded). Connections created when users reply, mention or follow one another. The data set starts on 1/30/2012 9:13 and ends on 1/31/2012 17:39 UTC.

Layout created with the "Group Layout" feature of NodeXL which tiles bounded regions for each cluster. Clusters calculated by the Clauset-Newman-Moore algorithm are also encoded by color.

A visualization of the network is here: www.flickr.com/photos/marc_smith/6798153131/sizes/l/

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:
@nytimeshealth
@hansrosling
@nytimesscience
@newshour
@smartglblhealth
@tm_healthcare
@srcglobal
@aidshealthcare
@peterasinger
@globalhealth

Word 1, Word 2, WEIGHT
global, health, 602
tropical, diseases, 134
global, update, 78
joint, effort, 78
effort, announced, 78
announced, against, 77
against, tropical, 77
neglected, diseases, 73
health, partnership, 68
partnership, targets, 68
targets, neglected, 68
health, care, 61
mental, health, 59
global, fund, 49
drug, makers, 36
hans, rosling, 35
pbs, newshour, 33
makers, target, 32
target, tropical, 32
global, mental, 29

Graph Metric: Value
Graph Type: Directed
Vertices: 1000
Unique Edges: 3738
Edges With Duplicates: 711
Total Edges: 4449
Self-Loops: 931
Connected Components: 382
Single-Vertex Connected Components: 354
Maximum Vertices in a Connected Component: 583
Maximum Edges in a Connected Component: 3928
Maximum Geodesic Distance (Diameter): 10
Average Geodesic Distance: 3.69421
Graph Density: 0.003261261
Modularity: 0.382841
NodeXL Version: 1.0.1.199

More NodeXL network visualizations are here: www.flickr.com/photos/marc_smith/sets/72157622437066929/ and here:
www.nodexlgraphgallery.org/Pages/Default.aspx

A gallery of NodeXL network data sets is available here: nodexlgraphgallery.org/Pages/Default.aspx?search=twitter

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.

Donations to support NodeXL are welcome through PayPal: www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_bu...

The book, Analyzing social media networks with NodeXL: Insights from a connected world, is available from Morgan Kaufmann and from Amazon.

Source : http://imentalhealth.net/mental-health/20120131-nodexl-twitter-global-and-health-top-between

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