[R] Question regarding subsetting

[Adaikalavan Ramasamy]

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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