[R] how to get the p-value in ctree?

2009-11-17 Thread Maxl18
Hallo, can anybody tell me how the ctree-algorithm derives the p-value. I read the papers from hothorn, hornik and zeileis, but it is not clear for me how to get the p-value. I derived the teststatistic and want to get the appropriate p-value. As I understand it, the p-value is some kind of norm

[R] Start Klimt from R

2009-04-02 Thread Maxl18
Hello, I want to start Klimt from S.Urbanek directly from R. In the description of klimt is the following R-Code: source("klimt.r"); d<-read.table("mydataset.txt"); t<-tree(OUT2~.,d); Klimt(t,d); One should make sure, that the klimt.jar is in the working directory of R (in my case "C:\Program F

[R] Change teh datatype from factor to double

2009-03-24 Thread Maxl18
Hi all, I want to read a .txt dataset, but when I test the type, some of the data is a factor. How can I avoid them to get a factor or how can I unfactor them without loosing their values? Thanks, Max -- View this message in context: http://www.nabble.com/Change-teh-datatype-from-factor-to-doub

Re: [R] Import R-output into Java

2009-03-20 Thread Maxl18
; 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. >>>

Re: [R] Import R-output into Java

2009-03-20 Thread Maxl18
e 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

[R] Import R-output into Java

2009-03-19 Thread Maxl18
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(...)");

[R] ctree from Java via Rserve

2009-03-13 Thread Maxl18
Hi, I want to run the R-function ctree (package party) from Java over Rserve with the following Java-Code: try{ RConnection v = new RConnection(); v.voidEval("library(party)"); v.voidEval("try(load(\"C:\\Documents and Settings\\daten2.rda\"))"); v.voidEval("try(pdf(\"C:\\Documents and Settings\\t

[R] set size of a plot

2009-03-12 Thread Maxl18
Hi, I have the following R-code: pdf(file="test.pdf") hist(rcauchy(100)) dev.off() How can I set the size of the histogram in my pdf? I tried to do with par(...) but I didn't find the right parameter yet. Thanks, Max -- View this message in context: http://www.nabble.com/set-size-of-a-plot-tp

Re: [R] RServe

2009-03-11 Thread Maxl18
I solved the problem. With a big C in RConnection and asDoubles() it works... try{ RConnection r = new RConnection(); double[] d = r.eval("rnorm(10)").asDoubles(); } catch(Exception e){} -- View this message in context: http://www.nabble.com/RServe-tp22452051p22454401.html Sent from the R help

[R] RServe

2009-03-11 Thread Maxl18
Dear all, I'm trying to use R-functions from Java. I want to use the Package Rserve. Everthing is installed and I can run my Java-testprogramm. ... Rconnection r = new Rconnection(); double[] d = r.eval("rnorm(10)").asDoubleArray(); ... But now I get always arrays with ten "0.0", which is not c

[R] Install JRI?

2009-03-10 Thread Maxl18
Hi all, Who can help me to install JRI I downloaed the file "JRI_0.3-6.tar" and although I read the documentation I don't know what to do now. I use Windows XP, Java 1.5.0_17 and R 2.8.1. Thanks for your response, Max -- View this message in context: http://www.nabble.com/Install-JRI--tp224309

[R] function ctree in package party

2009-03-06 Thread Maxl18
Hi, I have a problem with the function ctree in the package party. When I launch ctree with weights=NULL it works. ctree(function~var1+var2, data=datalist, weights=NULL, controls=ctree_control(mincriterion=0.95, maxdepth=4, teststat="quad",testtype="Bonferroni")) But when I try ctree(function~va