[R] Reverse seq

Chuck Cleland ccleland at optonline.net
Mon Mar 31 12:37:24 CEST 2008


On 3/31/2008 6:31 AM, Mario Maiworm wrote:
> Hi all,
> I thought I was not SUCH a nooby:) 
> How can I reverse a sequence/ vector?
> i.e., turn 
> X <- 3 5 4 2 6 5 4 3 6
> Into 
> X <- 6 3 4 5 6 2 4 5 3
> I mean without looping and indexing.
> There should be a very easy solution, shouldn't it?

 > rev(X)
[1] 6 3 4 5 6 2 4 5 3

?rev

> Mario
> 
> 
> __________________________________________________________________
> 
> Mario Maiworm
> Biological Psychology and Neuropsychology
> University of Hamburg
> Von-Melle-Park 11
> D-20146 Hamburg
> 
> Phone: +49 40 42838 3515
> Fax: +49 40 42838 6591
> 
> http://bpn.uni-hamburg.de/Maiworm_e.html
> http://cinacs.org
> 
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-- 
Chuck Cleland, Ph.D.
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