[Rd] Renjin?

[Brian G. Peterson]

Please move this to r-help.  It is clear that this is not a problem
with R itself, but with your ability to search the internet and read
the documentation and the code before posting.

On Sun, 2017-10-29 at 11:34 -0400, Morkus via R-devel wrote:
> Hi All,
> 
> OK, in the "back to the drawing board" department, I found what looks
> like a much better solution to using R in Java. Renjin.
> 
> Looking at the docs and then trying a quick example, didn't quite
> work.
> 
> Of course I'm missing something.
> 
> Although I'm telling the engine to require ("biotools") just like I
> would in R itself, when I get to the line of code that does the
> actual call
> 
> engine.eval("boxMResult <- boxM(inputIris [,-5], inputIris[,5])");
> 
> Then, I get:
> 
> Exception in thread "main" org.renjin.eval.EvalException: could not
> find function 'boxM'
> 
> Am I using Renjin as intended? Biotools is installed in R and works
> fine from RStudio.
> 
> I didn't see any examples in the docs (please excuse if I missed)
> that bring in any libraries.
> 
> Entire Java source below.
> 
> Thanks in advance,
> 
> ----
> 
> public class RCallerExample{
> public static void main(String[] args)
> {
> // create a script engine manager:RenjinScriptEngineFactory factory =
> new RenjinScriptEngineFactory();
> // create a Renjin engine:ScriptEngine engine =
> factory.getScriptEngine();
> 
> try{
> engine.eval("require(biotools)");
> 
> String inputIris = "5.1,3.5,1.4,0.2,setosa\n" +
> "4.9,3,1.4,0.2,setosa\n" +
> "4.7,3.2,1.3,0.2,setosa\n" +
> "4.6,3.1,1.5,0.2,setosa\n" +
> "5,3.6,1.4,0.2,setosa\n" +
> "5.4,3.9,1.7,0.4,setosa\n" +
> "4.6,3.4,1.4,0.3,setosa\n" +
> "5,3.4,1.5,0.2,setosa\n" +
> "4.4,2.9,1.4,0.2,setosa\n" +
> "4.9,3.1,1.5,0.1,setosa\n" +
> "5.4,3.7,1.5,0.2,setosa\n" +
> "4.8,3.4,1.6,0.2,setosa\n" +
> "4.8,3,1.4,0.1,setosa\n" +
> "4.3,3,1.1,0.1,setosa\n" +
> "5.8,4,1.2,0.2,setosa\n" +
> "5.7,4.4,1.5,0.4,setosa\n" +
> "5.4,3.9,1.3,0.4,setosa\n" +
> "5.1,3.5,1.4,0.3,setosa\n" +
> "5.7,3.8,1.7,0.3,setosa\n" +
> "5.1,3.8,1.5,0.3,setosa\n" +
> "5.4,3.4,1.7,0.2,setosa\n" +
> "5.1,3.7,1.5,0.4,setosa\n" +
> "4.6,3.6,1,0.2,setosa\n" +
> "5.1,3.3,1.7,0.5,setosa\n" +
> "4.8,3.4,1.9,0.2,setosa\n" +
> "5,3,1.6,0.2,setosa\n" +
> "5,3.4,1.6,0.4,setosa\n" +
> "5.2,3.5,1.5,0.2,setosa\n" +
> "5.2,3.4,1.4,0.2,setosa\n" +
> "4.7,3.2,1.6,0.2,setosa\n" +
> "4.8,3.1,1.6,0.2,setosa\n" +
> "5.4,3.4,1.5,0.4,setosa\n" +
> "5.2,4.1,1.5,0.1,setosa\n" +
> "5.5,4.2,1.4,0.2,setosa\n" +
> "4.9,3.1,1.5,0.2,setosa\n" +
> "5,3.2,1.2,0.2,setosa\n" +
> "5.5,3.5,1.3,0.2,setosa\n" +
> "4.9,3.6,1.4,0.1,setosa\n" +
> "4.4,3,1.3,0.2,setosa\n" +
> "5.1,3.4,1.5,0.2,setosa\n" +
> "5,3.5,1.3,0.3,setosa\n" +
> "4.5,2.3,1.3,0.3,setosa\n" +
> "4.4,3.2,1.3,0.2,setosa\n" +
> "5,3.5,1.6,0.6,setosa\n" +
> "5.1,3.8,1.9,0.4,setosa\n" +
> "4.8,3,1.4,0.3,setosa\n" +
> "5.1,3.8,1.6,0.2,setosa\n" +
> "4.6,3.2,1.4,0.2,setosa\n" +
> "5.3,3.7,1.5,0.2,setosa\n" +
> "5,3.3,1.4,0.2,setosa\n" +
> "7,3.2,4.7,1.4,versicolor\n" +
> "6.4,3.2,4.5,1.5,versicolor\n" +
> "6.9,3.1,4.9,1.5,versicolor\n" +
> "5.5,2.3,4,1.3,versicolor\n" +
> "6.5,2.8,4.6,1.5,versicolor\n" +
> "5.7,2.8,4.5,1.3,versicolor\n" +
> "6.3,3.3,4.7,1.6,versicolor\n" +
> "4.9,2.4,3.3,1,versicolor\n" +
> "6.6,2.9,4.6,1.3,versicolor\n" +
> "5.2,2.7,3.9,1.4,versicolor\n" +
> "5,2,3.5,1,versicolor\n" +
> "5.9,3,4.2,1.5,versicolor\n" +
> "6,2.2,4,1,versicolor\n" +
> "6.1,2.9,4.7,1.4,versicolor\n" +
> "5.6,2.9,3.6,1.3,versicolor\n" +
> "6.7,3.1,4.4,1.4,versicolor\n" +
> "5.6,3,4.5,1.5,versicolor\n" +
> "5.8,2.7,4.1,1,versicolor\n" +
> "6.2,2.2,4.5,1.5,versicolor\n" +
> "5.6,2.5,3.9,1.1,versicolor\n" +
> "5.9,3.2,4.8,1.8,versicolor\n" +
> "6.1,2.8,4,1.3,versicolor\n" +
> "6.3,2.5,4.9,1.5,versicolor\n" +
> "6.1,2.8,4.7,1.2,versicolor\n" +
> "6.4,2.9,4.3,1.3,versicolor\n" +
> "6.6,3,4.4,1.4,versicolor\n" +
> "6.8,2.8,4.8,1.4,versicolor\n" +
> "6.7,3,5,1.7,versicolor\n" +
> "6,2.9,4.5,1.5,versicolor\n" +
> "5.7,2.6,3.5,1,versicolor\n" +
> "5.5,2.4,3.8,1.1,versicolor\n" +
> "5.5,2.4,3.7,1,versicolor\n" +
> "5.8,2.7,3.9,1.2,versicolor\n" +
> "6,2.7,5.1,1.6,versicolor\n" +
> "5.4,3,4.5,1.5,versicolor\n" +
> "6,3.4,4.5,1.6,versicolor\n" +
> "6.7,3.1,4.7,1.5,versicolor\n" +
> "6.3,2.3,4.4,1.3,versicolor\n" +
> "5.6,3,4.1,1.3,versicolor\n" +
> "5.5,2.5,4,1.3,versicolor\n" +
> "5.5,2.6,4.4,1.2,versicolor\n" +
> "6.1,3,4.6,1.4,versicolor\n" +
> "5.8,2.6,4,1.2,versicolor\n" +
> "5,2.3,3.3,1,versicolor\n" +
> "5.6,2.7,4.2,1.3,versicolor\n" +
> "5.7,3,4.2,1.2,versicolor\n" +
> "5.7,2.9,4.2,1.3,versicolor\n" +
> "6.2,2.9,4.3,1.3,versicolor\n" +
> "5.1,2.5,3,1.1,versicolor\n" +
> "5.7,2.8,4.1,1.3,versicolor\n" +
> "6.3,3.3,6,2.5,virginica\n" +
> "5.8,2.7,5.1,1.9,virginica\n" +
> "7.1,3,5.9,2.1,virginica\n" +
> "6.3,2.9,5.6,1.8,virginica\n" +
> "6.5,3,5.8,2.2,virginica\n" +
> "7.6,3,6.6,2.1,virginica\n" +
> "4.9,2.5,4.5,1.7,virginica\n" +
> "7.3,2.9,6.3,1.8,virginica\n" +
> "6.7,2.5,5.8,1.8,virginica\n" +
> "7.2,3.6,6.1,2.5,virginica\n" +
> "6.5,3.2,5.1,2,virginica\n" +
> "6.4,2.7,5.3,1.9,virginica\n" +
> "6.8,3,5.5,2.1,virginica\n" +
> "5.7,2.5,5,2,virginica\n" +
> "5.8,2.8,5.1,2.4,virginica\n" +
> "6.4,3.2,5.3,2.3,virginica\n" +
> "6.5,3,5.5,1.8,virginica\n" +
> "7.7,3.8,6.7,2.2,virginica\n" +
> "7.7,2.6,6.9,2.3,virginica\n" +
> "6,2.2,5,1.5,virginica\n" +
> "6.9,3.2,5.7,2.3,virginica\n" +
> "5.6,2.8,4.9,2,virginica\n" +
> "7.7,2.8,6.7,2,virginica\n" +
> "6.3,2.7,4.9,1.8,virginica\n" +
> "6.7,3.3,5.7,2.1,virginica\n" +
> "7.2,3.2,6,1.8,virginica\n" +
> "6.2,2.8,4.8,1.8,virginica\n" +
> "6.1,3,4.9,1.8,virginica\n" +
> "6.4,2.8,5.6,2.1,virginica\n" +
> "7.2,3,5.8,1.6,virginica\n" +
> "7.4,2.8,6.1,1.9,virginica\n" +
> "7.9,3.8,6.4,2,virginica\n" +
> "6.4,2.8,5.6,2.2,virginica\n" +
> "6.3,2.8,5.1,1.5,virginica\n" +
> "6.1,2.6,5.6,1.4,virginica\n" +
> "7.7,3,6.1,2.3,virginica\n" +
> "6.3,3.4,5.6,2.4,virginica\n" +
> "6.4,3.1,5.5,1.8,virginica\n" +
> "6,3,4.8,1.8,virginica\n" +
> "6.9,3.1,5.4,2.1,virginica\n" +
> "6.7,3.1,5.6,2.4,virginica\n" +
> "6.9,3.1,5.1,2.3,virginica\n" +
> "5.8,2.7,5.1,1.9,virginica\n" +
> "6.8,3.2,5.9,2.3,virginica\n" +
> "6.7,3.3,5.7,2.5,virginica\n" +
> "6.7,3,5.2,2.3,virginica\n" +
> "6.3,2.5,5,1.9,virginica\n" +
> "6.5,3,5.2,2,virginica\n" +
> "6.2,3.4,5.4,2.3,virginica\n" +
> "5.9,3,5.1,1.8,virginica\n";
> 
> engine.eval("boxMResult <- boxM(inputIris [,-5], inputIris[,5])");
> 
> }
> catch (ScriptException e)
> {
> e.printStackTrace();
> }
> 
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