Dear All
Thanks for the reply.
RegardsMittal
On Friday, 20 February 2015 1:56 AM, Barry Rowlingson
<b.rowling...@lancaster.ac.uk> wrote:
On 19 Feb 2015 20:11, "Robert Baer" <rb...@atsu.edu> wrote:
>
>
> On 2/19/2015 8:06 AM, Barry Rowlingson wrote:
>>
>> On Wed, Feb 18, 2015 at 11:44 AM, Mittal Ashra via R-help
>> <r-help@r-project.org> wrote:
>>>
>>> Dear All,
>>> Apologies for mailing it to the whole crowd. This is Mittal, presently
>>> working in a Project where we have build a platform for displaying
>>> recommendations and the results are based on the statistical models.
>>> I have gone through the CRAN repository to look out for an package which
>>> converts the R code into an JAVA API and that can be called from the
>>> platform. However, did not find any. If anyone can guide me to the right
>>> package that will be grateful.
>>> The packages can be similar to DeployR from Revolution Analytics.
>>
>> I doubt there's anything smart enough to take a set of R functions
>> and magically create all the necessary Java boilerplate code that
>> constitutes an implementation of an API in Java (cynics would say Java
>> was all boilerplate...).
>>
>> There's the rJava package, which includes the JRI system for calling
>> R from Java. Then your java can kick off an R "engine" and do R stuff:
>
> I thought rJava called java from R not the other way around.
>
> Description: Low-level interface to Java VM very much like .C/.Call and
> friends. Allows creation of objects, calling methods and accessing fields.
>
>
>Yes, but it includes the JRI code for calling R from Java. It's in the package
>directory with some example Java programme.>
>>
>>
>> [boilerplate code deleted]
>>
>> Rengine re=new Rengine(args, false, new TextConsole());
>>
>> [more deleted boilerplate]
>>
>> re.eval("data(iris)",false);
>>
>> What you would have to do would be to write the Java
>> functions/methods/classes with the appropriate arguments for your API
>> and make them call the R code this way.
>>
>> I think RCaller is another way of doing this from Java - its not on
>> CRAN since its not an R package, its a Java library.
>>
>> Barry
>>
>> ______________________________________________
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
>
> --
>
>
> Robert W. Baer, Ph.D.
> Professor of Physiology
> Kirksville College of Osteopathic Medicine
> A T Still University of Health Sciences
> 800 W. Jefferson St
> Kirksville, MO 63501
> rbaer(at)atsu.edu
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