On Fri, 2006-07-21 at 15:15 -0500, ajkorman at 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