On Wed, Jul 14, 2010 at 6:13 AM, Trafim Vanishek <[email protected]> wrote:
> Dear all,
>
> Are there any functions in R to reverse the order of the string.
> smth like reverse("abc") to get "cba"?
>
Suppose data.frame DF has a column for which we wish to reverse each
component. Then using the builtin month.abb try this:
> DF <- data.frame(month = month.abb)
> library(sqldf)
> sqldf("select reverse(month) from DF")
reverse(month)
1 naJ
2 beF
3 raM
4 rpA
5 yaM
6 nuJ
7 luJ
8 guA
9 peS
10 tcO
11 voN
12 ceD
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