Re: [R] character to vector

From: Marc Schwartz (via MN) <mschwartz_at_mn.rr.com>
Date: Sat 22 Jul 2006 - 06:26:01 EST

On Fri, 2006-07-21 at 15:15 -0500, ajkorman@mail.utexas.edu wrote:
> I have an object of mode character that contains a long sequence of letters.
> How can I convert this object into a vector with each element of the vector
> containing a single letter? Essentially, I want to break the long string of
> letters into many individual letters.
>
> Thanks for the help.
>
> Alex

> letters

 [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" [18] "r" "s" "t" "u" "v" "w" "x" "y" "z"

> MyChar <- paste(letters, collapse = "")

> MyChar

[1] "abcdefghijklmnopqrstuvwxyz"

> MyVec <- unlist(strsplit(MyChar, ""))

> MyVec

 [1] "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" "k" "l" "m" "n" "o" "p" "q" [18] "r" "s" "t" "u" "v" "w" "x" "y" "z"

See ?strsplit and ?unlist and of course, ?paste for the reverse operation as above.

HTH, Marc Schwartz



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