Social Dynamics http://social-dynamics.org Social interactions in economics, management, and politics. Mon, 20 May 2013 02:05:00 +0000 en-US hourly 1 http://wordpress.org/?v=3.5.1 Identifying the Origin of an Epidemic http://social-dynamics.org/identifying-the-origin-of-an-epidemic/ http://social-dynamics.org/identifying-the-origin-of-an-epidemic/#comments Thu, 18 Apr 2013 19:47:41 +0000 pj http://social-dynamics.org/?p=463 My NICO colleague (and office mate) Dirk Brockmann has done some very cool work on identifying where an epidemic began by looking at how it has spread through airline networks. Centuries ago the spread of disease was constrained by geography … Continue reading →

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]]> http://social-dynamics.org/identifying-the-origin-of-an-epidemic/feed/ 0 Obesity Epidemic? http://social-dynamics.org/obesity-epidemic/ http://social-dynamics.org/obesity-epidemic/#comments Thu, 18 Apr 2013 16:18:48 +0000 pj http://social-dynamics.org/?p=457 Today on Slate there is a nice little GIF (that originally appeared on The Atlantic) that shows how obesity rates have changed over time by state. Slate seems to suggest that the geographic progression of obesity rates might indicate some … Continue reading →

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]]> http://social-dynamics.org/obesity-epidemic/feed/ 1 Scott Page Model Thinking Course — Now on Twitter http://social-dynamics.org/scott-pages-model-thinking-course-on-twitter/ http://social-dynamics.org/scott-pages-model-thinking-course-on-twitter/#comments Mon, 04 Mar 2013 23:07:49 +0000 pj http://social-dynamics.org/?p=439 Scott Page’s FREE online course on complex systems and modeling is starting up again today on Coursera. The first round of the course was awesome (highly recommended here), and I am sure this one will be too. This time around … Continue reading →

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]]> http://social-dynamics.org/scott-pages-model-thinking-course-on-twitter/feed/ 0 Gun Control and Homophily in Social Networks http://social-dynamics.org/homophily/ http://social-dynamics.org/homophily/#comments Fri, 01 Mar 2013 20:42:16 +0000 pj http://social-dynamics.org/?p=420 Last week the website of The Atlantic had a nice network visualization of the top tweets linking to articles on gun politics. You should go check out their site where the network visualization is interactive, but here is a static … Continue reading →

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]]> http://social-dynamics.org/homophily/feed/ 1 New paper on social contagion of obesity http://social-dynamics.org/social-contagion-of-obesity/ http://social-dynamics.org/social-contagion-of-obesity/#comments Fri, 13 Jul 2012 20:08:56 +0000 pj http://social-dynamics.org/?p=389 Along with a team of researchers led by epidemiologist David Shoham from Loyola University, I recently published a paper in PLoS One examining the social contagion of obesity. As many of you know, this is a hotly debated topic of research … Continue reading →

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]]> http://social-dynamics.org/social-contagion-of-obesity/feed/ 1 Satellite Symposium on Economics in Networks at NetSci 2012 http://social-dynamics.org/satellite-symposium-on-economics-in-networks-at-netsci-2012/ http://social-dynamics.org/satellite-symposium-on-economics-in-networks-at-netsci-2012/#comments Tue, 05 Jun 2012 20:13:11 +0000 pj http://social-dynamics.org/?p=337 Anyone interested in applying tools from economics to studying networks or tools from network science to studying economics is invited to the satellite symposium on Economics in Networks to be held in conjunction with NetSci 2012 at Northwestern University in … Continue reading →

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]]> http://social-dynamics.org/satellite-symposium-on-economics-in-networks-at-netsci-2012/feed/ 1 Gephi FAQ http://social-dynamics.org/gephi-faq/ http://social-dynamics.org/gephi-faq/#comments Thu, 10 May 2012 18:05:07 +0000 pj https://socialdynamicsdotorg.wordpress.com/?p=311 Students in my Kellogg MBA and EMBA Social Dynamics and Networks classes do a lot of work using the network analysis and visualization software package Gephi. As with any unfamiliar software, there are often a few bumps along the road. … Continue reading →

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]]> http://social-dynamics.org/gephi-faq/feed/ 5 Visualizing Contagious Twitter Memes with NodeXL and Gephi http://social-dynamics.org/twitter-nodexl-gephi-memes/ http://social-dynamics.org/twitter-nodexl-gephi-memes/#comments Mon, 07 May 2012 21:36:15 +0000 pj https://socialdynamicsdotorg.wordpress.com/?p=303 In the last post we explored how to use NodeXL to collect a Twitter user’s network data. Now, I’ll describe how to collect data on a trending topic. To get started, follow steps 0 and 1 here to setup a Twitter account and download the NodeXL … Continue reading →

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]]> http://social-dynamics.org/twitter-nodexl-gephi-memes/feed/ 1 Collecting and Visualizing Twitter Network Data with NodeXl and Gephi http://social-dynamics.org/twitter-network-data/ http://social-dynamics.org/twitter-network-data/#comments Tue, 01 May 2012 22:18:35 +0000 pj http://social-dynamics.org/?p=290 NodeXL is a freely available Excel template that makes it super easier to collect Twitter network data. Once you have the Twitter network data, you can visualize the network with Gephi. Here’s how to do it. Step 0: Start a Twitter … Continue reading →

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]]> http://social-dynamics.org/twitter-network-data/feed/ 3 Of Monsters and Men — How an Icelandic Band Exploded using the Web http://social-dynamics.org/of-monsters-and-men-how-an-icelandic-band-exploded-using-the-web/ http://social-dynamics.org/of-monsters-and-men-how-an-icelandic-band-exploded-using-the-web/#comments Sat, 24 Mar 2012 18:12:57 +0000 pj http://social-dynamics.org/?p=282 Bo Olafsson, a Kellogg student that took Social Dynamics and Networks with me this past fall quarter, put together a nice slideshow explaining how a little known Icelandic band, Of Monsters and Men, became a huge US success without ever visiting the … Continue reading →

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