Question regarding subsetting
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 [[alternative HTML version deleted]]
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