rscalaexample

Example for using Scala from R

You will find here an example for integrating Scala into your R scripts.

Basically it uses rJava to load the Scala classes and call the methods.

The example provides two functions:

• calcScala(x,y) to let the Scala class calculate the sum of x+y
• calcR(x,y) to let the Scala class call R (using JRI) to calculate within R the sum of x+y

build

You can run the build process of the JAR package that contains the Scala class by entering the subdirectory "scala" and run there "build.sh". This shell script uses sbt to assemble a JAR and [ScalaTest] (http://www.scalatest.org/) to unit test the Scala methods. By using these tools, you can ensure a proper build and quality process for your Scala classes/methods used from R.