Network Text Analysis of R Mailing Lists User! Rennes 2009

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Network Text Analysis of R Mailing Lists UseR! Rennes 2009 Angela Bohn, Ingo Feinerer, Kurt Hornik, Patrick Mair, Stefan Theußl 7/10/2009 A mailing list social network R-help mailing list: Jan 2008 to May 2009 Number of authors: 5326 Number of mails: 41457 Avg. degree: 4.4 Diameter: 7 Legend: Author A answered Author B Combine SNA and TM I Goal: Combine social network analysis (SNA) and text mining (TM) to ﬁnd out more I Data: Mailing lists R-help and R-devel I Packages: sna and tm I Results: I \Interest maps" of R users I Detection of bottlenecks in communication Data preparation for social network analysis I Create a social network from e-mail headers (tm): From: dwinsemius at comcast.net (David Winsemius) Date: Thu, 30 Apr 2009 18:49:55 -0400 Subject: [R] Extracting Element from S4 objects In-Reply-To: <[email protected]> Message-ID: <[email protected]> Author A: ''Hallo, I have a question.'' Author B: ''This is the answer.'' Author B Author C Author D Author C: ''This, too.'' Author D: ''And this.'' Author D: ''And this.'' Author A Author A: ''Thank you.'' I Find aliases: knoblauch at lyon.inserm.fr (knoblauch) knoblauch at lyon.inserm.fr (Ken Knoblauch) Levensthein Distance: ken.knoblauch at inserm.fr (Kenneth Knoblauch) agrep(base) ken.knoblauch at inserm.fr (Ken Knoblauch) Data preparation for text mining E-mail subjects: [R] passing args from the command line [R] navigating ggplot viewports [R] how to go to a line in R ...

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