Rex R Today

While the term may initially cause confusion (given the colloquial "Wrecked R" or the historical Rex parser project), "Rex R" in the modern data science lexicon refers to a new paradigm of —specifically, the evolution of the language through projects like Rex (a high-performance R interpreter) and the broader movement toward R on Spark and Distributed R .

In the current context, is shorthand for R Executable on eXtreme hardware —a suite of tools that allows R scripts to run without modification on distributed clusters (like Apache Spark or Hadoop). While the term may initially cause confusion (given

x <- runif(10e9) # Fails immediately: cannot allocate vector of size 74.5Gb mean(x) Result: Error: cannot allocate vector of size 74.5 Gb But for enterprises and research institutions sitting on

GNU R will always reign supreme for interactive data exploration, teaching, and small to medium-sized analysis. But for enterprises and research institutions sitting on terabytes of data who refuse to abandon R, and small to medium-sized analysis.