[R] unique function works funny

[Rolf Turner]

FAQ 7.31

	cheers,

		Rolf Turner


On 5/02/2010, at 4:23 PM, Guochen Song wrote:

> I have 3 nested functions, the core function goes like this:
> listx<-function(x,tox)
> {
> xt=table(x)
> wa=sort(unique(x,fromLast=FALSE))
> print(xt)
> print(wa)
> ......
> return(kk)
> 
> }
> 
> listx get called in functionB, and functionB get called in functionC.
> 
> When I test functionB, the listx function works just fine.  When I call
> functionB from functionC, strange thing happened:
> My result for xt:
> 0.07 0.17  0.2
>   1     1    6
> My result for wa:
> 0.07 0.17 0.20  0.20
> 
> (my data obviously is 0.2 repeated 8 times, 1 0.17 and 1 0.07).  I thought
> it has something to do with the fromLast option, but that does not do a
> thing.
> 
> I'm new to R and using R2.10.  Any suggestion/idea?
> 
> What I want is a vector has the value c(0.07,0.17.0.20).  Or is there any
> other way to get that?
> 
> I
> 
> Thanks in advance,
> GS
> 
> 	[[alternative HTML version deleted]]
> 
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> and provide commented, minimal, self-contained, reproducible code.

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