In this paper, version 3.0 of the open source library RCaller is introduced. RCaller is a software
library which simplifies performing data analysis and statistical calculations in Java using R.
The details are hidden from users including transferring data between platforms, function calls,
and retrieving results. In addition to previous RCaller versions, RCaller 3.0 implements the
scripting API of Java, ensuring R function calls and data transfers are performed in a standard
way, as is usual for other scripting languages in Java. Besides implementation of new features,
RCaller has many performance improvements in the new release of 3.0 (Satman & Curcean,