Sometimes, we develop parts of an application in Java and need to access them from R. The
rJava package allows us to access Java objects directly from within R.
If you have not already downloaded the files for this chapter, do it now and ensure that these files are in your R working directory:
javasamplesand move all the files with extension
.classinto this folder under your working directory.
rJavato work in your environment, the JDK version should be identical for the following, and we explain how to get them in sync for Mac OS X: