An Introduction to Using R with Hadoop

Jeffrey Breen, Principal with Big Data consulting firm Think Big Analytics, will provide an introduction to Hadoop, including its MapReduce programming paradigm, and an overview of the various methods of using R with Hadoop. Jeffrey will provide a deep-dive into using the RHadoop package, including some sample code, and tips on how to get started using these tools yourself.

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  • Jeffrey B.

    There was one question about joining multiple data sets. My answer focused on Hive (my first choice for relational operations in Hadoop), but I also should have mentioned rmr2's equijoin() function. It will perform inner and outer joins. But if you're just doing joins, I'd still recommend Hive for those steps because it will be faster.

    March 6, 2013

  • Jeffrey B.

    The slides have been posted on our web site -- please pardon the registration:

    March 6, 2013

  • Benjamin O.

    This talk was much better than the R+Hadoop presentation given this past Summer. However, there's such a concern people in the audience do not know anything about Hadoop & a desire to be inclusive that the talk really was just "An Intro to Hadoop by an Excellent R User." I think this topic of R+Hadoop may be doomed to never be presented well to a general audience. Perhaps we can organize a breakout group of R users who already regularly use Hadoop to have a discussion session? Forgive me, but my tolerance for hearing "how map reduce works" has run out, even when well-presented. Maybe we can have an R presentation someday where it's assumed you already know & use the Hadoop ecosystem. I think there are more than a few of us & we could learn a lot from each other.

    2 · February 21, 2013

    • Philip P.

      I agree with this. Being already familiar with R and Hadoop, I had hoped that the talk would have focused more on how they work together.

      February 21, 2013

  • Larry

    more emphasis on R. It took 1 hour before the speaker started talking about R

    1 · February 20, 2013

    • Hugh

      The many questions should have been managed better. It took almost two hours to complete the formal presentation.

      February 21, 2013

    • Tadhg

      Agree - I was about to pass out at around 7.30, but the second half of the presentation was beautiful!

      February 21, 2013

  • A former member
    A former member

    sorry to mss this meeting. Is there any way to get the speaker's ppt or talk?? Thanks.

    February 20, 2013

  • Harold Spencer, J.

    Sorry, I had a last minute work issue come up. Would love to see a video/notes of this meetup. Will anything be available?

    February 20, 2013

  • Yating

    Sorry to miss this meeting...

    February 20, 2013

  • Charlie F.

    Sorry, I won't be able to attend tonight. Hope to catch up later.
    Can you direct me to a site or video with some of the same information on it?

    February 20, 2013

  • J S.

    Unable to attend today

    February 20, 2013

  • William S H.

    Hope there will be slides at least. Can't make it :(

    February 20, 2013

  • Sandy C.

    I will not be able to attend. Thanks for inviting me.

    February 20, 2013

  • Edward K.

    Sorry. Something has come up.

    February 20, 2013

  • John V.

    client deadlines...

    February 19, 2013

  • John M.

    Note: we changed the location of the meeting to the
    Broad Institute to accommodate the larger than expected interest.

    The address is 415 Main St., Cambridge
    and it is just a few blocks from the Kendall T.

    The Broad auditorium can hold over 200 which should cover all the current interest plus some.

    See you all next week.

    - john

    February 15, 2013

  • Josh L.

    sorry to miss this. Could someone make arrangements for a recording? or a slideshare at least? Thanks!

    1 · February 6, 2013

  • chris c.

    Great topic, thanks.

    February 6, 2013

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