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R preprocessor

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R preprocessor allows you to use R language directly instead of parameter of JavaScript functions.

R script should be located in special block inside JavaScript which begins from #R(...) and ends with #end

 

In next table possible variants presented with equivalent JavaScript code:

 

With preprocessor

Without preprocessor

 

r = R.rserve();

#R(r)

    c = rnorm(50);

#end    

 

r = R.rserve();

r.eval("c = rnorm(50)");

 

 

r = R.rserve();

#R(r.voidEval(R))

    c = rnorm(50);

#end

 

 

r = R.rserve();

r.voidEval("c = rnorm(50)");

 

 

r = R.rserve();

#R(rplot(r,R))

    c = rnorm(50);

    hist(c);

#end

 

 

r = R.rserve();

rplot(r,"c = rnorm(50);hist(c);");