Hi,
Check ?gsub and the examples there. Here is a piece of code to get you
started:
> s <- "sub_001"
> gsub("sub_", "", s)
[1] "001"
HTH,
Jorge.-
On Mon, Jul 16, 2012 at 12:04 PM, york8866 <> wrote:
> Hi, all,
>
> I have a column like the following:
> ID TIME
> sub_001 0
> sub_001 24
> sub_002 0
> sub_002 24
> sub_003 0
> sub_003 24
> sub_004 0
> sub_005 24
> ..
> ..
>
> is there a way for me to just extract the numeric numbers from the ID
> column, omitting sub_?
>
> thanks,
>
>
> --
> View this message in context:
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> Sent from the R help mailing list archive at Nabble.com.
>
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