Re: [R] removing values from a vector, where both the value and its name are the same?

From: Marc Schwartz <marc_schwartz_at_comcast.net>
Date: Fri, 15 Jun 2007 14:43:53 -0500

Good catch Patrick. I am guilty of the same error.

Regards,

Marc

On Fri, 2007-06-15 at 20:25 +0100, Patrick Burns wrote:
> In case it matters, the given solution has a problem if the
> data look like:
>
> x <- c(sum=77, test=99, sum=99)
>
> By the description all three elements should be kept, but
> the duplicated solution throws out the last element. A more
> complicated solution is:
>
> unique(data.frame(x, names(x)))
>
> (and then put the vector back together again).
>
> Patrick Burns
> patrick_at_burns-stat.com
> +44 (0)20 8525 0696
> http://www.burns-stat.com
> (home of S Poetry and "A Guide for the Unwilling S User")
>
> jim holtman wrote:
>
> >try this:
> >
> >
> >
> >>x[!(duplicated(names(x))&duplicated(x))]
> >>
> >>
> > sum min max count count test
> > 77 4 9 5 8 77
> >
> >
> >
> >On 6/15/07, new ruser <newruser_at_yahoo.com> wrote:
> >
> >
> >>I have an array such as:
> >>
> >>x=c(sum=77, min=4,max=9, count=5, min=4,max=9, count=8 , test=77)
> >>
> >>I wish to remove values where both the name and the value are identical.
> >>
> >>eg. i wish to end up with:
> >>x2=c(sum=77, min=4,max=9, count=5, count=8, test=77)
> >>
> >>What is the "best" way to do this?
> >>
> >>
> >>---------------------------------
> >>Park yourself in front of a world of choices in alternative vehicles.
> >>
> >> [[alternative HTML version deleted]]
> >>
> >>______________________________________________
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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.
> >>
> >>
> >>
> >
> >
> >
> >
> >
>
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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 Fri 15 Jun 2007 - 21:36:05 GMT

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