[R] A very simple question

[Chuck Cleland]

On 5/14/2008 11:16 AM, Shubha Vishwanath Karanth wrote:
> Hi R,
> 
>  
> 
> Suppose
> 
> l=c(1,1,1,2,2,1,1,1)
> 
>  
> 
> k[-which(k==1)]
> 
> [1] 2 2
> 
>  
> 
> k[-which(k==2)]
> 
> [1] 1 1 1 1 1 1
> 
>  
> 
> But,
> 
>  
> 
> k[-which(k==3)]
> 
> numeric(0)
> 
>  
> 
> I do not want this numeric(0), instead the whole k itself should be my
> result... How do I do this?
> 
>  
> 
>  
> 
> Thanks,
> 
> Shubha

   Look at the result of which(k==3) to see why your approach does not 
work.  You might try this instead:

k <- c(1,1,1,2,2,1,1,1)

k[!(k==1)]

[1] 2 2

k[!(k==2)]

[1] 1 1 1 1 1 1

k[!(k==3)]

[1] 1 1 1 2 2 1 1 1

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-- 
Chuck Cleland, Ph.D.
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