Re: [R] Question regarding subsetting

From: Adaikalavan Ramasamy <ramasamy_at_cancer.org.uk>
Date: Fri 22 Jul 2005 - 21:00:36 EST

A <- c("Prefix-aaa", "Prefix-bbb", "Prefix-ccc")

sapply( strsplit(A, split="-"), function(x) x[2] ) [1] "aaa" "bbb" "ccc"

Regards, Adai

On Fri, 2005-07-22 at 03:45 -0700, Dennis Fisher wrote:
> I run R 2.1.1 in a Linux environment (RedHat 9) although my question
> is not platform-specific.
>
> Consider the following:
> > A <- c("Prefix-aaa", "Prefix-bbb", "Prefix-ccc")
> > B <- strsplit(A, "-")
> > B
> [[1]]
> [1] "Prefix" "aaa"
>
> [[2]]
> [1] "Prefix" "bbb"
>
> [[3]]
> [1] "Prefix" "ccc"
>
> How do I extract the elements "aaa", "bbb", "ccc" from B?
>
> Thanks in advance.
>
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone: 1-866-PLessThan (1-866-753-7784)
> Fax: 1-415-564-2220
> www.PLessThan.com
>
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Jul 22 21:10:34 2005

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