Hi Gianni,
Thank you for the reproducible example!
Try
mydf$newID <- with(mydf, gsub("_", "Sample", ID))
mydf
HTH,
Jorge.-
On Fri, Mar 16, 2012 at 7:54 AM, gianni lavaredo <> wrote:
> Dear Researchers,
>
> I have a data.frame with 2 columns like this:
>
> mydf <-
>
> data.frame(value=c(1,2,3
Dear Researchers,
I have a data.frame with 2 columns like this:
mydf <-
data.frame(value=c(1,2,3,4,5),ID=c("Area_1","Area_2","Area_3","Area_4","Area_5"))
> mydf
value ID
1 1 Area_1
2 2 Area_2
3 3 Area_3
4 4 Area_4
5 5 Area_5
I need to convert the *ID *in the following
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