Petr Chovanec

  • About me
  • Ceska a slovenska historie v New England
  • Czech and German Citizenship
  • German citizenship
Illustration of a bird flying.
  • Edge-bundled, timeline-enhanced visualizations

    This company provides solutions for using human element in the pattern detection. Based on videos, it looks very useful for almost any fraud detection application like money laundering or medical fraud. Check out their videos: http://synerscope.com/resources (HT: LG)

    April 14, 2012
  • FAS webmail, gmail, forwarding and POP3

    As you might be aware, webmail at fas is not forwarding properly. It omits emails once a while. On the other side, it is still the best solution due to the speed, spamfilter and overall integration, but it can be enhanced by POP3. Following is my solution. Log into webmail.fas.harvard.edu and in Settings go to […]

    April 11, 2012
  • Ocean Shipping Visualized

    Ben Schmidt has a very nice visualization of the ocean shipping in R. Enjoy: (HT:  Revolutions)

    April 11, 2012
  • R, parallelization and large datasets

    When we have a task that would take a long time, we can usually think about parallelization. In this post I will show how to deal with an issue when you have large shared data set (but not that big so you would need MapReduce). Let’s first start with how to set up cluster in […]

    April 10, 2012
  • How to use Git and Dropbox for collaboration

    This post will be constantly being updated. I will show that you can use Git and Dropbox for collaboration. If you don’t have Dropbox account, please you this link and we both get additional 250MB: http://db.tt/4ZKL2z3 Set up a main repository in one directory in Dropbox. Then clone repository for every person working on a […]

    March 31, 2012
  • How to use version system and Git

    This blogpost is just a quick introduction into how Git works and what to expect from it. I will update this post in the future, but in the meantime I add links to the series I liked. The author explains Git, but, along the way, explains the version control system. Don’t use github though, use […]

    March 30, 2012
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Petr Chovanec

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