Grexit stage left: visualizing the online discussion around Greece’s possible Euro exit

  While Tsipras and his Syriza coalition have been busy in Greek parliament, the Internet has been a-buzz with speculation that their platform will result in a Greek exit from the Euro currency.  This prospect, affectionately dubbed "Grexit" by Citi in February, has been making the rounds on Twitter under the hashtag #grexit.  We think the

By |2012-05-24T21:30:02-04:00May 24th, 2012|Company News, Consulting, Research|0 Comments

Visualizing the #nonato Twitter hashtag – time series and top users

  The NATO summit is currently being held in Chicago, and, as is typical for NATO or G# summits, the streets and tweets are full of dissent.  In the spirit of my past investigations of online dissent (#jan25, #25bahman, #12fev, #wiunion, #cn220, #march15), I thought I would investigate the #nonato tag, where Twitter users around

By |2012-05-21T09:49:15-04:00May 21st, 2012|Consulting, Programming, Technology|0 Comments

Visual Summary of #jan25 Twitter Activity

  Last year, I covered a number of the so-called "Twitter protests" in China (#cn220), Iran (#25bahman), and Algeria (#fev12).  Since these protests began in January 2011, the Arab Spring has claimed many members of both ruling and revolting groups - Mubarak in Egypt, Gaddafi in Libya, Ben Ali in Tunisia, Saleh in Yemen, and

By |2012-01-29T07:54:12-05:00January 29th, 2012|Research, Society|4 Comments

A quick look at #march11 / #saudi tweets

Well, so much for that #march11 #Saudi day of rage.  Whether it was really the "tempest in a teacup" that  Prince Al-Waleed suggested on CNBC (video below, transcript here) or not, the oil complex and Saudi markets seem to have shrugged off much of the risk that was priced in after Thursday's rumors of shots.  

By |2011-03-12T18:19:51-05:00March 12th, 2011|Finance, Programming|2 Comments

Archiving Tweets with Python

  Last week, I posted some R code that downloads the user and timestamp of tweets that contain a given hashtag going back as far as Twitter search will allow.  As I noted in the post, the text of these tweets isn’t stored because of encoding issues with R and its JSON packages.  A few people emailed asking

By |2011-02-26T15:20:18-05:00February 26th, 2011|Programming|13 Comments

Dataset: Wisconsin Union Protester Tweets #wiunion

   I've been playing with Twitter data over the last week, archiving Algerian, Egyptian, Iranian, and Chinese tweets.  I thought I'd bring the story a little closer to home this time by archiving tweets from Wisconsin Union protesters on the #wiunion tag.  Grab the dataset of 165,593 tweets here, and check out the two figure

By |2011-02-21T20:58:22-05:00February 21st, 2011|Programming, Society|2 Comments

Plotting 3D Graphs with Python, igraph, and Cairo: #cn220 Example

  Out of all the visuals I’ve produced, I think the "coolest" is the three-dimensional U.S. Supreme Court citation network 1080p movie I produced with Dan Katz (close friend, coauthor, and newly minted law professor!).  3D networks, especially dynamic ones, really invoke the "wow" factor.  Movies are especially important in dynamic cases too, since without the animation,

By |2011-02-21T12:43:58-05:00February 21st, 2011|Programming|0 Comments

Tracking the Frequency of Twitter Hashtags with R

 I’ve posted three examples of Twitter hashtags datasets in the last week: one on China, one on Iran, and one on Algeria.  In order to build these datasets, I needed to obtain older tweets; this is slightly more difficult than simply filtering the streaming feed for your hashtag of choice.  The original code I wrote

By |2011-02-21T01:22:32-05:00February 21st, 2011|Programming|7 Comments

Dataset: Tweets from the Chinese Protests #cn220

  Earlier this week, I posted a ~100k tweet dataset on the #25bahman protests in Iran.  The corresponding figure of frequencies showed a strong presence on Twitter, with over 500 tweets per 5 minute period at peak.  You can download the dataset or check out the figure in that post.   I decided to take a quick

By |2011-02-20T14:03:44-05:00February 20th, 2011|Programming, Society|0 Comments

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