Displaying 5 results from an estimated 5 matches for "outputstreamwriter".
2000 May 10
1
R and Java ? [forwarded]
...My question is: Can R be interfaced with Java. ??
My dilemma: I'm trying to run the RGui program in WintNT from a Java
application. i;m using runtime.exec()
It opens teh program but after that nothing happens. After opening teh
program i'm passing some commands to R via java's process
OutputStreamWriter. But it does NOT respond to any of teh commands not
even by giving an exception.
Coudl u please let me know if i can pass commandline commands to RGui from
within Java or are there special API's that are available. I know for a
fact taht Java does NOT have API's for R. It does have specia...
2004 Apr 21
2
calling R from java
Hello,
I need to call R from a java(swing) application. I manage to do it with
something like :
Process p = Runtime.getRuntime().exec("R --slave")
OutputStreanWriter o = new OutputStreamWriter(p.getOutputStream())
o.wrote("...")
... etc
but at the end no .Rdata file has been created and there are some data I
don't want to reload each time (for time execution reasons).
So,
Is it possible when calling R from java to create a .Rdata file to save
data and as a consequence when...
1999 Oct 06
1
Java interface to R
I have been doing some programming with java servlets for data
collection.
I was wondering if there is a way to connect to the R-server using java
to do data analysis. A java-interface or some connection class.
I think there is some similar facility with SAS, although I have not
looked at it.
Richard Piper
RNS Hospital,
Sydney.
2003 Nov 12
1
Talk with from Java
...Runtime().exec("R --help");
BufferedReader in = new BufferedReader(new
InputStreamReader(process.getInputStream()));
BufferedReader reader = new BufferedReader(new
java.io.InputStreamReader(System.in));
BufferedWriter out = new BufferedWriter(new
OutputStreamWriter(process.getOutputStream()));
String s=null;
String c=null;
while(true) {
try {
while ((s=in.readLine())!=null) {
System.out.println(s);
}
/* The big problem is: it seems lik...
2004 Apr 22
0
calling R from java[Scanned]
...;ferraria at ensisun.imag.fr> writes:
>
> > Hello,
> >
> > I need to call R from a java(swing) application. I manage to do it with
> > something like :
> >
> > Process p = Runtime.getRuntime().exec("R --slave")
> > OutputStreanWriter o = new OutputStreamWriter(p.getOutputStream())
> > o.wrote("...")
> > ... etc
> >
> > but at the end no .Rdata file has been created and there are some data I
> > don't want to reload each time (for time execution reasons).
> > So,
> > Is it possible when calling R fro...