[R] length of empty string

[Rainer Schuermann]

> nchar("")                                                                                                                                                                                  
[1] 0 


On Friday 18 November 2011 16:09:38 Jaensch, Steffen [TIBBE] wrote:
> Hi all,
> 
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> 
> Can somebody explain why length("") returns 1 and not 0? How do I test
> if a given string is the empty string?
> 
> 
> 
> Thanks,
> 
> Steffen.
> 
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