Displaying 6 results from an estimated 6 matches for "waitforr".
Did you mean:
waitfor
2011 May 25
0
issues with rJava; cannot run JRI example
...ello,
I am trying to run JRI example from rJava, but I have some issues. I have read many posts and didn't find any solution to my problem.
I have the following code:
Rengine re = new Rengine(null, false, null);
System.out.println("Rengine created, waiting for R");
if (!re.waitForR()) {
System.out.println("Cannot load R");
return;
}
System.out.println("re-routing stdout/err into R console");
But I get the message:
Creating Rengine........
Java Result: 10
When I run the program. It never reaches the state...
2011 Jan 04
1
an error about JRI
...e is as follows:
public static void main(String[] args) {
System.out.println("Creating Rengine (with arguments)");
Rengine re=new Rengine(args, false, null);
System.out.println("Rengine created, waiting for R");
if (!re.waitForR()) {
System.out.println("Cannot load R");
return;
}
However, everytime I run it. it teminated after print out "Creating Rengine
(with arguments)" never successfully print out "Rengine created, waiting for
R"
I do not know what is...
2010 Mar 24
1
R and/or REngine kills Java
...ot;** Version mismatch - Java files don't match
library version.");
System.exit(1);
}
// creating R engine
Rengine rEngine = new Rengine(null, false, new EmptyCallbacks());
// the engine creates R is a new thread, so we should wait until it's ready
if (!rEngine.waitForR()) {
System.out.println("Cannot load R for " + this.getClass().getName());
return;
}
// executing logic
try {
assign(rEngine, "filename", filepath);
eval(rEngine, "source(filename)");
} catch (Exception e) {
System.out.println(...
2011 Apr 05
0
kmeans clustering java
...m java.
Here's my code:
String[] Rargs = {"--vanilla"};
Rengine re = new Rengine(Rargs, false, null);
System.out.println("Rengine created, waiting for R");
// the engine creates R is a new thread, so we should wait until it's
// ready
if (!re.waitForR()) {
System.out.println("Cannot load R");
return null;
}
re.eval ("rmatrix <- matrix(data = NA, nrow = "+rows+", ncol
="+(columns-1)+", byrow = FALSE)");//,dimnames = )");
REXP rp= re.eval(hDr);
//loop through the matrix and...
2009 Mar 30
0
Problem in S4 object displaying from within a Java application using JRI
...callbacks are implemented by the TextConsole class above
Rengine re = new Rengine(args, false, new TextConsole());
System.out.println("Rengine created, waiting for R");
// the engine creates R is a new thread, so we should wait until
it's ready
if (!re.waitForR()) {
System.out.println("Cannot load R");
return;
}
try {
re.eval("library(kappalab)", true);
re.eval("library(methods)", true);
re.eval("mu1 <- c(59.73, 27.94,89.67, 62.4...
2010 Mar 24
0
R-help ordinal regression
...??? }
> ??? ??? ???
> ??? // creating R engine
> ??? ??? ???
> ??? Rengine rEngine = new Rengine(null,
> false, new EmptyCallbacks());
> ??? ??? ???
> ??? // the engine creates R is a new thread,
> so we should wait until it's ready
> ??? ??? ???
> ??? if (!rEngine.waitForR()) {
> ??? ??? ???
> ??? ???
> System.out.println("Cannot load R for " +
> this.getClass().getName());
> ??? ??? ???
> ??? ??? return;
> ??? ??? ???
> ??? }
>
> ??? ??? ???
> ??? // executing logic
> ??? ??? ???
> ??? try {
> ??? ??? ???
> ???...