Thanks,
now it works!
Max
Romain Francois-2 wrote:
>
> Ooops, I meant this :
>
> con.voidEval("sink('test.txt')");
> con.voidEval("cat(1+1)");
> con.voidEval("sink()");
>
> Romain Francois wrote:
>> Hi,
>>
>> try this instead:
>>
>> con.voidEval("sink(test.txt)");
>> con.voidEval("cat(1+1)");
>> con.voidEval("sink()");
>>
>> Romain
>>
>> Maxl18 wrote:
>>> Thanks, sink was exactly the function I searched.
>>> It properly works in R, but when I try to launch it from Java, the
>>> file is
>>> created but never written any output...
>>>
>>> con.voidEval("test.txt"); // file is created
>>> con.voidEval("1+1"); // nothing is written into the file
>>> con.voidEval("sink()");
>>>
>>> Where is my mistake?
>>> Cheers, Max
>>>
>>>
>>>
>>>
>>>
>>> Thomas Roth (geb. Kaliwe) wrote:
>>>
>>>> #I used sink
>>>> ?sink
>>>>
>>>>
>>>> #Thomas
>>>>
>>>>
>>>>
>>>> Maxl18 schrieb:
>>>>
>>>>> Hello,
>>>>> I want to import R-output via Rserve to Java, especially for the
>>>>> function
>>>>> ctree from the package party.
>>>>> Rserve is working properly.
>>>>>
>>>>> Yet, I only get the predictions with the Java code
>>>>>
>>>>> try{
>>>>> RConnection c = new RConnection();
>>>>> ...
>>>>> c.voidEval("modell <- ctree(...)");
>>>>> REXP y = c.eval("nodes(modell,1)[[1]]$prediction");
>>>>> ...
>>>>> }catch(Exception e){}
>>>>>
>>>>> When I try to get the whole text with
>>>>>
>>>>> REXP z = c.eval("nodes(modell,1)[[1]]");
>>>>> System.out.println(z);
>>>>>
>>>>> I get something like
>>>>> org.rosuda.rengine.rexpgenericvec...@119c082+[10]named
>>>>>
>>>>> But I want the text which is printed in R.
>>>>>
>>>>> What can I do?
>>>>> Thanks, Max
>>>>>
>>>>>
>>>>> Once again:
>>>>> It`s clear to get the result in R but I don`t know hoe to get the
>>>>> R-output
>>>>> into Java (or into a file, i.e. .txt)
>>>>>
>
>
> --
> Romain Francois
> Independent R Consultant
> +33(0) 6 28 91 30 30
> http://romainfrancois.blog.free.fr
>
> ______________________________________________
> 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.
>
>
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