java

  1. T

    Creating simple GUI for R - Calling scripts from R-external Application

    Dear all, today i would like to get some directions for the following question. Main Target - create a simple GUI which allows non R-Users to start R-Sripts, point at files and simply press run. I have produced a code in R which basically does the following thing: 1. Check if all...
  2. J

    Optimizing java to R call in Rserve

    I am facing a problem while performing optimization using lpSolveAPI in R and Java on a large dataset. I tried Rserve,RCaller,JRI,Renjin and found that Rserve is what actually suits my need. RCaller has a functionality that has allows to run all the r commands as a batch, but after that the...
  3. S

    How do you calculate the p-value by hand? Only learned how to do it electronically

    Hello, I am making a Java program that can run a full 1-sample z-test for sample mean and I would like to know how to calculate the p-value by hand once you have the z-statistic. I have learned how to calculate it by looking at the z-table and with a calculator, but for the sake of my program I...
  4. K

    Error message clarification relating to JAVA

    Hello all, Can anyone explain in simplistic terms the reason I would be receiving this error: Java virtual machine exception. java.lang.NoClassDefFoundError: com/sas/graphics/applets/statgraph/sgchart/grid/TrellisPlot. Does it mean that my SAS package has not been correctly...