Last Thursday the Cologne R user group came together again. This time, our two speakers arrived from Bavaria, to talk about Spark and R Server. Introduction to Apache SparkDownload slidesDubravko Dulic gave an introduction to Apache Spark and why Spark might be of interest to data scientists using R. Spark is designed for cluster computing, i.e. to distribute jobs across several computers. Not all tasks in R can be split easily across several nodes in a cluster, but if you use functions like by in R, then it is most likely doable.