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Tools for Visualizing Networks Dr. Frank McCown Intro to Web Science Harding University This work is licensed under a Creative Commons Attribution-NonCommercial-

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Presentation on theme: "Tools for Visualizing Networks Dr. Frank McCown Intro to Web Science Harding University This work is licensed under a Creative Commons Attribution-NonCommercial-"— Presentation transcript:

1 Tools for Visualizing Networks Dr. Frank McCown Intro to Web Science Harding University This work is licensed under a Creative Commons Attribution-NonCommercial- ShareAlike 3.0 Unported LicenseCreative Commons Attribution-NonCommercial- ShareAlike 3.0 Unported License

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

3 http://bgriffen.scripts.mit.edu/www/media/json/thinkers/

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

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

6 Creating a Visualization 1.Obtain the data 2.Parse, filter, etc. data into format appropriate for importing 3.Import into visualization software 4.Tinker, tinker, tinker 5.Wow your friends and family See more visualizations here: http://flowingdata.com/category/visualization/network-visualization/ http://flowingdata.com/category/visualization/network-visualization/

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

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

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12 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

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16 Python Libraries Matplotlib - Python 2D plotting library http://matplotlib.org/ http://matplotlib.org/ NetworkX – creating and manipulating graphs http://networkx.github.com/ http://networkx.github.com/ – Uses Matplotlib or Graphviz for displaying graphs – Supports Python 3.x igraph – creating, manipulating, and displaying graphs http://igraph.sourceforge.net/ http://igraph.sourceforge.net/ – Windows version for Python 2.5 and 2.6 only

17 Further Reading Brandes et al., 2013, Handbook of Graph Drawing and Visualization, Ch. 26 Social Networks http://cs.brown.edu/~rt/gdhandbook/chapters/social.pdf http://cs.brown.edu/~rt/gdhandbook/chapters/social.pdf Freeman, 2000, Visualizing Social Networks, Journal of Social Structure http://www.cmu.edu/joss/content/articles/volume1/Freeman.html http://www.cmu.edu/joss/content/articles/volume1/Freeman.html

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