Blog Archives

RMOA: Massive online data stream classifications with R & MOA

RMOA: Massive online data stream classifications with R & MOA

For those of you who don't know MOA. MOA stands for Massive On-line Analysis and is an open-source framework that allows to build and run experiments of machine learning or data mining on evolving data streams. The website of MOA (http://moa.cms.waikato.ac.nz) indicates it contains machine learning algorithms for classification, regression, clustering, outlier detection and recommendation engines.   For R users...

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Air quality, weather analysis & latent feature modelling @RBelgium

Air quality, weather analysis & latent feature modelling @RBelgium

Within 2 weeks on Thursday, March 20, The RBelgium R user group is holding its next Regular meeting in Brussels for which this is the schedule: ** Analysis and visualisation of climate data from the atmospheric model ALADIN using the Rfa package...

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advanced r programming topics + rapache course

advanced r programming topics + rapache course

Advanced R programming topics Similarly as last year, BNOSAC is offering the short course on 'Advanced R programming topics' at the Leuven Statistics Research Center (Belgium).  The course is now part of FLAMES (Flanders Training Network for Methodology and Statistics) and can be found here http://www.flames-statistics.eu/training/advanced-r-programming-topics. Subscription is no longer possible unless you ask kindly to LStat. RApache and developing web applications with...

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Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

Connect R with Myrrix – Mahout & Cloudera’s real-time, scalable recommender system

(This article was first published on BNOSAC - Belgium Network of Open Source Analytical Consultants, and kindly contributed to R-bloggers) Myrrix is probably more known by java developers and users of Mahout than R users. This is because most of the times java and R developers live in a different community.  If you go to the website of Myrrix...

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Popularity bigdata / large data packages in R and ffbase useR presentation

Popularity bigdata / large data packages in R and ffbase useR presentation

(This article was first published on BNOSAC - Belgium Network of Open Source Analytical Consultants, and kindly contributed to R-bloggers) A few weeks ago, Rstudio released it's download logs, showing who downloaded R packages through their CRAN mirror. More info: http://blog.rstudio.org/2013/06/10/rstudio-cran-mirror/ This is very nice information and it can be used to show the popularity of packages with R, which has...

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DataMind & The R Service Bus @ RBelgium

DataMind & The R Service Bus @ RBelgium

  Within 2 weeks on Friday, May 24, The RBelgium R user group is holding its next Regular meeting in Leuven for which this is the schedule: ** Jonathan Cornelissen - DataMind  Discover DataMind, a new online learning platform for d...

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Massive online data stream mining with R

Massive online data stream mining with R

A few weeks ago, the stream package has been released on CRAN. It allows to do real time analytics on data streams. This can be very usefull if you are working with large datasets which are already hard to put in RAM completely, let alone to build some statistical model on it without getting into RAM problems. Most of...

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bigglm on your big data set in open source R, it just works – similar as in SAS

bigglm on your big data set in open source R, it just works – similar as in SAS

In a recent post by Revolution Analytics (link & link) in which Revolution was benchmarking their closed source generalized linear model approach with SAS, Hadoop and open source R, they seemed to be pointing out that there is no 'easy' R open source solution which exists for building a poisson regression model on large datasets.    This post is about...

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RBelgium meeting on November, 16

RBelgium meeting on November, 16

Next week on Friday, November 16, the RBelgium R user group is holding its next Regular meeting in Brussels. This is the schedule of the upcoming RBelgium Regular meeting:* Graphical User Interface developments around R, including tcltk2 and SciViews - Philippe Grosjean (UMons)* Using R via the Amazon Cloud - Jean-Baptiste Poullet (stat'Rgy)* Literature review: R books - Brecht Devleesschauwer (UGent, UCL)The meeting will take place...

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R courses in Belgium

R courses in Belgium

Every year, the Leuven Statistics Research Center (Belgium) is offering short courses for professionals and researchers in statistics and statistical tools. The following link shows the overview of the courses: http://lstat.kuleuven.be/consulting/shortcourses/ENcourse%20overview.htm or get it here in pdf: http://lstat.kuleuven.be/consulting/shortcourses/BRO_LSTAT_2012-2013.pdf This year, BNOSAC is presenting the course on Advanced R Programming Topics, which will be held on Oktober 18-19. This course...

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