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Chicago R User Group (Chicago RUG, CRUG) Data and Statistics Message Board › java connect R with Rserve and client problem

java connect R with Rserve and client problem

A former member
Post #: 1
HI everyone;

i use java to connect R with Rserve. my code is the following:


RConnection c = new RConnection();

c.voidEval("d <- data.frame(time=c(\"1990-01-02\"­,\"1990-01-03\",\"1990-01­-04\"),price=c(2434.1,2463.7,2451.6­))");

c.voidEval("ftse100.r <- mk.returns(d)");



but i meet this problem and i can not fix it


Exception in thread "main" org.rosuda.REngine.Rserve.RserveExceptio­n: voidEval failed, request status: error code: 127
at org.rosuda.REngine.Rserve.RConnection.vo­idEval(RConnection.java:182)
at org.domain.javar.session.Qrmlib.main(Qrm­lib.java:21)




i know the "c.voidEval("ftse100.r <- mk.returns(d)");" hava problem,but i can not find the problem.


anyone can help me ? thank you in advance

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