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Visualizing Social Networks

Visualizing Social Networks. Michael L. Nelson CS 432/532 Old Dominion University. This work is licensed under a  Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. This course is based on Dr. McCown's class. http://xkcd.com/1273/.

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Visualizing Social Networks

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  1. Visualizing Social Networks Michael L. Nelson CS 432/532 Old Dominion University This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License This course is based on Dr. McCown's class

  2. http://xkcd.com/1273/

  3. http://moviegalaxies.com/movies/851-Twin-Peaks

  4. http://brendangriffen.com/gow-influential-thinkers.htmlhttp://www.youtube.com/watch?v=m_WRFJwGsbYhttp://brendangriffen.com/gow-influential-thinkers.htmlhttp://www.youtube.com/watch?v=m_WRFJwGsbY

  5. http://www.autodeskresearch.com/projects/orgorgchart

  6. http://www.facebookstories.com/stories/2200/data-visualization-photo-sharing-explosionshttp://www.facebookstories.com/stories/2200/data-visualization-photo-sharing-explosions

  7. Creating a Visualization • Obtain the data • Parse, filter, etc. data into format appropriate for importing • Import into visualization software • Tinker, tinker, tinker • Wow your friends and family See more visualizations here: http://flowingdata.com/category/visualization/network-visualization/

  8. Overview • Many good commercial products available • Here we only cover free, open source software • By no means exhaustive

  9. Stand-Alone Software • Graphviz • Many libraries from other programming languages use it • Gephi • Interactive visualization and exploration platform • NodeXL • Miscrosoft Excel template

  10. Visualizations in a Web Browser • D3.js (used to be Protovis) • JavaScript, CSS, and SVG for web-native visualizations • JavaScript InfoViz Toolkit • Wide variety of JavaScript visualizations • Processing.js • JavaScript porting of Processing

  11. Python Libraries • Matplotlib - Python 2D plotting libraryhttp://matplotlib.org/ • NetworkX – creating and manipulating graphshttp://networkx.github.com/ • Uses Matplotlib or Graphviz for displaying graphs • igraph – creating, manipulating, and displaying graphshttp://igraph.org/

  12. Further Reading • Mike Bostock's blog http://bost.ocks.org/mike/ • Scott Murray's tutorials (became O'Reilly book) http://alignedleft.com/tutorials/d3 • Brandes et al., 2013, Handbook of Graph Drawing and Visualization, Ch. 26 Social Networks http://cs.brown.edu/~rt/gdhandbook/chapters/social.pdf • Freeman, 2000, Visualizing Social Networks, Journal of Social Structurehttp://www.cmu.edu/joss/content/articles/volume1/Freeman.html

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