R help - Mar 2008 - Re move a number from a vector

This should be an easy one, but I haven't been able to figure it out, 

x<-c(2, 4, 6, 9, 10)
#how do I remove a single value
x<-x[-2] # will remove the second element of the vector not the number 2 

This is part of a loop that looks a little like this...

x<-c(2, 4, 6, 9, 10)
remove.value<-4
#then I need to remove the value returned by the loop.

Thanks,
Josh

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?which

 x <- x[which(x==remove.value)]

--- Josh Roofchop <josh at roofchop.com> wrote:
> 
> This should be an easy one, but I haven't been able
> to figure it out, 
> 
> x<-c(2, 4, 6, 9, 10)
> #how do I remove a single value
> x<-x[-2] # will remove the second element of the
> vector not the number 2 
> 
> This is part of a loop that looks a little like
> this...
> 
> x<-c(2, 4, 6, 9, 10)
> remove.value<-4
> #then I need to remove the value returned by the
> loop.
> 
> Thanks,
> Josh
> 
> -- 
> View this message in context:
>
http://www.nabble.com/Remove-a-number-from-a-vector-tp16119616p16119616.html
> Sent from the R help mailing list archive at
> Nabble.com.
> 
> ______________________________________________
> 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.
>

does 
> x[!x == remove.value]
do what you need?

[1]  2  6  9 10

regards,
Albert

Am Dienstag, den 18.03.2008, 05:21 -0700 schrieb Josh
Roofchop:
> This should be an easy one, but I haven't been able to figure it out, 
> 
> x<-c(2, 4, 6, 9, 10)
> #how do I remove a single value
> x<-x[-2] # will remove the second element of the vector not the number 2
> 
> This is part of a loop that looks a little like this...
> 
> x<-c(2, 4, 6, 9, 10)
> remove.value<-4
> #then I need to remove the value returned by the loop.
> 
> Thanks,
> Josh
>

Thanks to both John and Arthur for their replies, they both worked great.
Josh



Josh Roofchop wrote:
> 
> This should be an easy one, but I haven't been able to figure it out, 
> 
> x<-c(2, 4, 6, 9, 10)
> #how do I remove a single value
> x<-x[-2] # will remove the second element of the vector not the number 2
> 
> This is part of a loop that looks a little like this...
> 
> x<-c(2, 4, 6, 9, 10)
> remove.value<-4
> #then I need to remove the value returned by the loop.
> 
> Thanks,
> Josh
> 
> 
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http://www.nabble.com/Remove-a-number-from-a-vector-tp16119616p16121649.html
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