Re: [R] Deleting the last value of a vector

From: Petr PIKAL <petr.pikal_at_precheza.cz>
Date: Mon, 18 Apr 2011 08:07:43 +0200

Hi

r-help-bounces_at_r-project.org napsal dne 18.04.2011 04:51:20:

> Or perhaps even more parsimoniously (by a couple of characters) -
>
> r <- c(1, 2, 3, 4, 5)
> r2<-r[-length(r)]

Maybe even shorter

head(x,-1)

Regards
Petr

>
> Min-Han
>
> On Sun, Apr 17, 2011 at 10:23 PM, Daisy Englert Duursma <
> daisy.duursma_at_gmail.com> wrote:
>
> > A easier solution:
> >
> > r <- c(1, 2, 3, 4, 5)
> > r2<-r[1:length(r)-1]
> >
> >
> >
> >
> > On Mon, Apr 18, 2011 at 10:51 AM, empyrean <ctross_at_ucdavis.edu> wrote:
> > > Hey guys,
> > >
> > > I've search a few threads about deleting a value from a vector, but
no
> > one
> > > has addressed this question so far.
> > >
> > > I want to delete the last value from a string of values
> > >
> > > I have:
> > >
> > > r = [ 1, 2, 3, 4, 5 ], and i want to make r2 = to [ 1, 2, 3, 4]
> > >
> > > So that r2 is just like r, except that it missing the final value.
> > >
> > > Thanks,
> > >
> > > --
> > > View this message in context:
> > http://r.789695.n4.nabble.com/Deleting-the-last-value-of-a-vector-
> tp3456363p3456363.html
> > > Sent from the R help mailing list archive at Nabble.com.
> > >
> > > ______________________________________________
> > > R-help_at_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.
> > >
> >
> >
> >
> > --
> > Daisy Englert Duursma
> > Department of Biological Sciences
> > Room E8C156
> > Macquarie University, North Ryde, NSW 210
> > Australia
> >
> > Tel +61 2 9850 9256
> >
> > ______________________________________________
> > R-help_at_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.
> >
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help_at_r-project.org mailing list
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> 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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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. Received on Mon 18 Apr 2011 - 06:11:34 GMT

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