Thanks Icn, for suggesting .jaddClassPath I finally had time to play around and discover what you meant. So I am one step farther than the report in the second post above: I have the RGui with R Console on the screen. On the top pullDowns, Packages > Install Packages > USA(IA)> rJava > library(rJava) > .jinit() > ## > ?rJava::.jaddClassPath > .jaddClassPath("C:/ad/j") ##or > .jaddClassPath("C:\\ad\\j") > print(.jclassPath()) [1] "C:\\Users\\ENVY17\\Documents\\R\\win-library\\2.12\\rJava\\java" [2] "C:\\ad\\j" > qsLin <- .jnew("CalqsLin") > dblTim <- > .jcall(qsLin,returnSig="D","linTimOfCalqsStgIsLev","201104052359599999","-4") Error in .jcall(qsLin, returnSig = "D", "linTimOfCalqsStgIsLev", "201104052359599999", : method linTimOfCalqsStgIsLev with signature (Ljava/lang/String;Ljava/lang/String;)D not found >
What's wrong? Just to show my intentions, I had next wanted to call this java function method: linTimOfCalqsStgIsLev("201104052359599999",-4) -- View this message in context: http://r.789695.n4.nabble.com/Using-Java-methods-in-R-tp3469299p3471705.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.