The Rserve package is a TCP/IP server that accepts requests from clients. It allows other technologies to access R. Every connection has a separate workspace and working directory.
Using Rserve to call R functions from Java
Getting ready
If you have not already downloaded the files for this chapter, do so now and ensure that the files are in your R working directory:
- Create a javasamples folder, and move all the files with extension Java and class into this folder under your working directory.
- Install Rserve using install.packages('Rserve').
- Load the package using library(Rserve).
- Download the three JAR files, JRI.jar, REngine.jar, and JRIEngine.jar from http://www.rforge.net/JRI/files/ and the RserveEngine.jar...