On Wed, 01 Aug 2007 10:52:02 +0200, Bjoern wrote:
Hello,
I have two questions concerning the RWeka package:
1.) First question:
How can one perform a cross validation, -say 10fold- for a given
data set and given model ?
2.) Second question
Hello,
I have two questions concerning the RWeka package:
1.) First question:
How can one perform a cross validation, -say 10fold- for a given data
set and given model ?
2.) Second question
What is the correct syntax for the parametrization of e.g.
# still uses a linear kernel, but should be a x,y^2 kernel
m4 # G is ignored, resulting in m2
Thx
Bjoern
- original Nachricht
Betreff: Re: [R] RWeka control parameters classifiers interface
Gesendet: Mi 11 Jul 2007 14:42:10 CEST
Von: Achim Zeileis[EMAIL PROTECTED]
On Wed, 11
Hello,
I have some trouble in achieving the desired parametrisation
for the weka classifier functions, using the package RWeka.
The problem is, that the functions
result=classifier(formula, data, subset, na.action, control =
Weka_control(mycontrol))
do not seem to be manipulated by
On Wed, 11 Jul 2007 [EMAIL PROTECTED] wrote:
The problem is, that the functions
result=classifier(formula, data, subset, na.action, control =
Weka_control(mycontrol))
do not seem to be manipulated by the mycontrol- arguments
Yes, they are...not all parameter changes have always an
Hi,
I downloaded RWeka successfully. (At least I do not see, where I could have
made a mistake.) Then I tried to load it by the library-command. To my surprise
this did not work. Result:
library(RWeka)
Fehler in .jinit(c(system.file(jar, weka.jar, package = RWeka),
system.file(jar, :
[EMAIL PROTECTED] wrote:
Hi,
I downloaded RWeka successfully. (At least I do not see, where I could have
made a mistake.) Then I tried to load it by the library-command. To my
surprise this did not work. Result:
library(RWeka)
Fehler in .jinit(c(system.file(jar, weka.jar, package =
Good afternoon for all listmates,
As I saw in the manuals, I downloaded RWeka, rJava and grid successfully. When
I tried to load rJava or Rweka Ive got the same message:
Carregando pacotes exigidos: rJava
Erro em firstlib(which.lib.loc, package) :
JAVA_HOME is not set
Erro: pacote
Alexandre wrote:
Good afternoon for all listmates,
As I saw in the manuals, I downloaded RWeka, rJava and grid successfully.
When I tried to load rJava or Rweka I’ve got the same message:
“Carregando pacotes exigidos: rJava
Erro em firstlib(which.lib.loc, package) :
JAVA_HOME