[R] Widows 8

Can anyone confirm that R runs on Widows 8? Thanks, Chet Seligman [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org

[R] apply question

This works, where zz is a dataframe: for(i in 1:nrow(zz)) { zzz[i,1]<-paste(zz[i,1],zz[i,2],sep="_") } I would like to use "apply" to concatentate two columns of text along with a separator. How? Chet [[alternative HTML version deleted]] __

Re: [R] multicore R

I have already consulted multicore.pdf and wondered if anyone could offer specific code for doing loops, apply's and/or cross-validation on a multicore machine? On Mon, Jul 30, 2012 at 12:07 PM, David Winsemius wrote: > > On Jul 30, 2012, at 11:56 AM, Chet Seligman wrote: > > C

[R] multicore R

Can anyone provide code example(s) for doing loops, apply's and/or cross-validation on a multicore machine? Chet Seligman [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r

[R] Upgrading on Ubuntu from 2.11.1 to 2.15.1

This doesn't work, what should I do? sudo apt-get install r-base [sudo] password for cseligman: Reading package lists... Done Building dependency tree Reading state information... Done r-base is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Also: > .

Re: [R] NaN's in class 'performance; [package "ROCR"]

nd doesn't really change the comparison between the runs. 2012/2/25 Uwe Ligges > > > On 24.02.2012 17:41, Chet Seligman wrote: > >> The first item in @ y.values is a NaN >> Slot "y.values": >> [[1]] >> [1] NaN 1.000 >> >> How

[R] NaN's in class 'performance; [package "ROCR"]

The first item in @ y.values is a NaN Slot "y.values": [[1]] [1] NaN 1.000 How do replace it with 1.00 or otherwise get rid of it? Chet [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz