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I am a Java and R beginner. My task is very simple. I want to put a value from Java to R. Then in R, sum the input value with one and pass the back to Java and display the value.

How? Can anyone help?

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JRI is a good place to start. It provides the ability to run R inside of a java program. Once you have it downloaded you'll want to read the README as it gives installation instructions. There are some examples in the /examples folder provide with JRI that walk you through the creation of the R Engine and shows you how to do some simple tasks. I've never personally used it but this looks to be like what you're looking for.

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4 Comments

i do not want run R inside the java program ( because java does not have some library i use in R). Other way, is it possible i call my .R file from java ? then the R file will execute.
Could you edit your question to make it more clear what you want to do?
can java import and use the the svm or kernlab package? I has the svm and DWT code that write in R. But i use java to read the tablet, get the x and y coordinates and do some interface. The problem is how i can integrate java and R?
I still think that JRI is the way to go by the way. You basically get an R session within Java using this.

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