
Sorry for the imprecision. I haven't used r for a long time... 

> CC: r-help@r-project.org
> From: dwinsemius@comcast.net
> To: rhelpme@hotmail.com
> Subject: Re: [R] Quick question about duplicating vectors
> Date: Sun, 3 Apr 2011 18:17:55 -0400
> 
> 
> On Apr 3, 2011, at 6:04 PM, Xiaoxi Gao wrote:
> 
> >
> > Hello R users,
> >
> > I have a quick question, if I have a data set a, say
> > a <- c(1,2,3,4,5)
> 
> You might as well learn to use more precise R terminology... that is a  
> `vector`.
> 
> > and I want to get a new data set b,
> > b <- c(1,1,1,2,2,2,3,3,3,4,4,4,5,5,5)
> > Could anyone tell me how I can obtain this?
> 
> ?rep
> 
> -- 
> 
> David Winsemius, MD
> West Hartford, CT
> 
 		 	   		  
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