[R] splitting character vectors into multiple vectors using strsplit

[arun]

Hi,
You can also try this:
unlist(lapply(splitlist,head,1))
#[1] "a1" "a2"

 unlist(lapply(splitlist,tail,1))
#[1] "b1" "b2"


A.K.





________________________________
From: David Romano <romanod at grinnell.edu>
To: r-help at r-project.org 
Sent: Friday, September 7, 2012 2:12 PM
Subject: [R] splitting character vectors into multiple vectors using strsplit

Hi folks,

Suppose I create the character vector charvec by

> charvec<-c("a1.b1","a2.b2")
> charvec
[1] "a1.b1" "a2.b2"

and then I use strsplit on charvec as follows:

> splitlist<-strsplit(charvec,split=".",fixed=TRUE)
> splitlist
[[1]]
[1] "a1" "b1"

[[2]]
[1] "a2" "b2"


I was wondering whether there is already a function which can extract
the "a" and "b" parts of the list splitlist; that is, that can return
the same vectors as those created by c("a1","a2") and c("b1","b2").

Thanks,
David Romano

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