Try
substr(tempdf$abb 4, 6)
--JIV
On Thu, Mar 14, 2013 at 1:15 AM, SH <empti...@gmail.com> wrote:
> Dear Jorge,
>
> I gave me this result (below) since it defines starting from the forth
> letter and ending 6th letter from the first element.
>
> > substr(tempdf$name, 4, 6)
> [1] " Cr" "ad " "old"
>
> I would like to have letters from first and second elements if possible.
>
> Thanks for replying,
>
> Steve
>
>
> On Wed, Mar 13, 2013 at 10:10 AM, Jorge I Velez
> <jorgeivanve...@gmail.com> wrote:
> > Dear SH,
> >
> > Hmmm... what about
> >
> > substr(tempdf$name, 4, 6))
> >
> > ?
> >
> > HTH,
> > Jorge.-
> >
> >
> > On Thu, Mar 14, 2013 at 1:06 AM, SH <empti...@gmail.com> wrote:
> >>
> >> Dear list:
> >>
> >> I would like to extract three letters from first and second elements
> >> in one column and make a new column.
> >>
> >> For example below,
> >>
> >> > tempdf = read.table("clipboard", header=T, sep='\t')
> >> > tempdf
> >> name var1 var2 abb
> >> 1 Tom Cruiser 1 6 TomCru
> >> 2 Bread Pett 2 5 BrePet
> >> 3 Arnold Schwiezer 3 7 ArnSch
> >> > (p1 = substr(tempdf$name, 1, 3))
> >> [1] "Tom" "Bre" "Arn"
> >>
> >> I was able to extract three letters from first name, however, I don't
> >> know how to extract three letters from last name (i.e., 'Cru', 'Pet',
> >> and 'Sch'). Can anyone give me a suggestion? Many thanks in advance.
> >>
> >> Best,
> >>
> >> Steve
> >>
> >> ______________________________________________
> >> R-help@r-project.org mailing list
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >
> >
>
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