[R] Left/right hand side characters

Gabor Csardi csardi at rmki.kfki.hu
Mon May 14 19:04:46 CEST 2007


See ?substr.

Gabor

On Mon, May 14, 2007 at 05:49:25PM +0100, Brooks, Anthony B wrote:
> Hello all
> 
> Is there a way reducing the number of characters in a list so that just
> the left n numbers of characters is given?
> 
> For example, If I have a list, listnames, which consists of 4 strings of
> 6 characters;
> 
>  
> 
> >listnames
> 
> [1] "item12" "item34" "item56" "item78"
> 
>  
> 
> Is there a way to reduce this so only the 5 characters on the lefthand
> side are given (similar to the LEFT function in Excel)
> 
>  
> 
> So that I'd get a list like this
> 
>  
> 
> >listnames
> 
> [1] "item1" "item3" "item5" "item7"
> 
>  
> 
> Thanks
> 
> Tony
> 
>  
> 
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Csardi Gabor <csardi at rmki.kfki.hu>    MTA RMKI, ELTE TTK



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