[R] selecting a subset of files to be processed
Rui Barradas
ruipbarradas at sapo.pt
Sat Jul 28 20:00:38 CEST 2012
Hello,
If the files are to be processed in R select a random sample in R.
Using list.files() you can assign a character vector with the filenames
of interest and then sample from that vector.
?list.files
filenames <- list.files(path, pattern)
rand.sampl <- sample(filenames, 45)
Hope this helps,
Rui Barradas
Em 28-07-2012 18:49, Erin Hodgess escreveu:
> Dear R People:
>
> I am using a Linux system in which I have about 3000 files.
>
> I would like to randomly select about 45 of those files to be processed in R.
>
> Could I make the selection in R or should I do it in Linux, please?
>
> This is with R-2.15.1.
>
> Thanks,
> erin
>
>
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