import org.rosuda.REngine.Rserve.RConnection;\r
import org.rosuda.REngine.Rserve.RserveException;\r
import org.simantics.r.scl.variable.RNodeManager;\r
import org.rosuda.REngine.Rserve.RConnection;\r
import org.rosuda.REngine.Rserve.RserveException;\r
import org.simantics.r.scl.variable.RNodeManager;\r