[R] Dataframe modification

Hello, I have a problem and wish if anybody have a quick solution or function or if this question was asked before and you could give me the date to look in the archives for the response. My problem is that I have a dataframe D[663,40] with only one column with repeated values lines and a factor w

[R] sample function

Dear all, i have a question about the "sample" function used in R, does it work as a pseudo-dandom number generator programmed with C, like it is described in Modern Applied Statics with S-Plus 3d edition chapter 5 section 2? Thanks a lot - [[alte

[R] Problem with installation under R 1.7.1 and unzip

Thanks a lot professor, but no in fact it is like you've said c:\Program Files\R\rw1071\Rwork is my "Working directory = C:\Program Files\R\rw1071\Rwork", i am in fact using the functions you've gave me to know what is happening with me because with R 1.6.2 i could install my packages with no pr

[R] Problem with installation under R 1.7.1 and unzip

Dear all, i was working under R 1.6.2 but i wanted to install bioconductor under WinXP, and because R 1.7.1 contains the TclTk package and automatic installation of bioconductor packages, so i install it. Everything is fine except this message which appear after the installation of packages.

Re: [R] Code for Support Vector Clustering Algorithm

yes i know, it is used for prediction because it is a supervised method of clustering, so no comment, *don't* be nervous David Meyer <[EMAIL PROTECTED]> wrote: On 2003.06.12 11:57, Ramzi Feghali wrote: > No comment, yes, please *do* comment! The help page clearly says the impl

Re: [R] Code for Support Vector Clustering Algorithm

yes i know, it is used for prediction because it is a supervised method of clustering, so no comment *don't* be nervous David Meyer <[EMAIL PROTECTED]> wrote: On 2003.06.12 11:57, Ramzi Feghali wrote: > No comment, yes, please *do* comment! The help page clearly says the impl

Re: [R] Code for Support Vector Clustering Algorithm

No comment, svm package:e1071 R Documentation Support Vector Machines Description: `svm' is used to train a support vector machine. It can be used to carry out general regression and classification (of nu and epsilon-type), as well as density-estim

[R] Loops question

Hello Mr Ripley, i was waiting you to ask and if you don't mind if there is a fast way in R to do these loops made with R and that takes a week because my matrix is with thousand of rows. I got another method that is more fast and is utilised by many packages : interfacing with other languages"

RE: [R] Basic question on applying a function to each row of a dataframe

Another another neat way is: >DF <- data.frame(x=1:4, y=rep(1,4)) > foo <- function(z,x,y)z[x]+z[y] > apply(DF,1,foo,x="x",y="y") 1 2 3 4 2 3 4 5 or > DF <- data.frame(x=1:4, y=rep(1,4)) > foo <- function(z)z<-x+y > foo(DF) [1] 2 3 4 5 "Liaw, Andy" <[EMAIL PROTECTED]> wrote: Another neat

[R] Memory size of R

Hi all, anybody know how much can the memory size of R be settled?ThxRamzi - [[alternate HTML version deleted]] __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help