June Meetup: ggplot2 and RPostgreSQL

  • June 11, 2013 · 6:00 PM
  • This location is shown only to members

6/11/13 Update

We're up to 62 RSVPs, which is greater than the seating capacity of the room (approximately 45 comfortably). Please be aware that it will likely be standing room only.

5/24/13 Update

John McNeil has graciously provided space for our June meetup. Food will be provided and there is a great outdoor area to hang out in before/after. I will be discussing the fundamentals of ggplot as well as running through some more advanced projects from my work. Joe Conway will be showcasing the RPostgreSQL package he authored.

I look forward to seeing everyone there.


Hi everyone, my name is Kevin Davenport. I have been collaborating with Dr. Derren Barken over the last couple months on rebooting the San Diego R user group. Dr. Barken has done an excellent job managing and executing this user group on his own the last few years, but has some time restricting commitments so I've come on board to co-chair the group. I intend for the meetings to initially be held quarterly and serve as an avenue for local R users to present and exchange their experiences and ideas around the usage of R. The R-user group's primary focus will be R, but can also focus on all open-source data analysis tools, including Python, WEKA, Sage, etc. I'm in the process of finalizing a space for our next meeting on data visualization and gradient boosting. If anyone is interested in presenting a topic at the next meeting please send me a message.

P.S. we will also be discussing the The 2013 R User Conference held in Albacete, Spain.

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  • Michelle K.

    Hi Kevin -- Enjoyed the meeting and would love to get a copy of the presentations. Will you be posting them here? Thanks for getting this group up and going again!

    July 5, 2013

  • Chung-Kai S.

    Great presentations with lots of information for further exploration.

    2 · June 11, 2013

  • Kevin D.

    We're up to 62 RSVPs, which is greater than the seating capacity of the room (approximately 45 comfortably). Please be aware that it will likely be standing room only.

    June 11, 2013

  • Syrus

    I can make it after all. :)

    1 · June 11, 2013

  • Oleg Z.

    I was looking forward very much, but had a sudden change in travel plans. Have a good time everyone!

    June 11, 2013

  • A former member
    A former member

    Hi there,
    I created a function looks like this
    calcBMI <- function (w,f,i,bmi,h) {
    w <- 220
    f <- 6
    i <- 3
    h <- f * 12 + i
    bmi <- (w / (h * h)) * 703

    when I call the function it works fine
    my question how to call the function with new value
    w <- 240

    Every times I do that I'm getting old value
    Oded Dror

    May 27, 2013

    • Kevin D.

      Please post future questions in the message board: http://www.meetup.com...­ also checkout http://stackoverflow....­

      May 27, 2013

    • Joel A. M.

      when call a function always pass values of the variables you wish to pass to your finction in your case w, f, i . If you define your variables as global, then whatever is the current values will be used in the function. Hopes this helps.

      June 10, 2013

  • Syrus

    Unfortunately, something came up, and I will miss this one. I'm bummed because it's been a long time for this group. See you next time. :)

    June 10, 2013

  • Joel A. M.

    I am new in R and I like to program in R as a hobby. Just finished the R course in Coursera under Dr. Peng of John Hopskins . I am interested to learn more

    June 10, 2013

  • A former member
    A former member

    What is Sage? Link(s), please.

    May 13, 2013

    • Spencer B.

      Sage is a python-based math computing system. It was developed for number theory work at U. Washington, but now has good support for lots of higher math. I use it when I want to deal with symbolic logic but don't have access to maple. Highlights are: free, open source, python compatible, and has wrappers for commercial packages. Plus, they have a public server where you can run code without installing anything (http://www.sagenb.org­).

      1 · June 4, 2013

  • Kevin D.

    I've just posted a poll regarding what meeting time users prefer.

    May 16, 2013

  • kevin

    Hi everyone, I'm new to R. So new I'm not able to get R and RStudio up and running properly. I had it running and was able to run a script with RStudio. After cleaning up my computer and moving around directories I'm having problems. Would anyone be willing to help via Skype. Hope I can make the next meetup. Any help would be greatly appreciated.

    May 14, 2013

  • John M.

    We would be happy to host it at our office in Sorrento Valley. We can supply food and drinks

    May 14, 2013

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