[R] Vector manipulation

Dimitris Rizopoulos d.rizopoulos at erasmusmc.nl
Sun Feb 12 19:02:40 CET 2012


One way is:

vec <- c(2,4,6,9,10)
c(rbind(vec[1], vec[-1]))


I hope it helps.

Best,
Dimitris


On 2/12/2012 6:54 PM, syrvn wrote:
> Hello,
>
>
> I am stuck with the following problem. Consider the vector:
>
> vec<- c(2,4,6,9,10)
>
> I now want to use R to manipulate the vector as follows:
>
> [1] 2, 4, 2, 6, 2, 9, 2, 10
>
> In words, the first element of the vector should be placed in front of each
> following number.
>
> Which R commands do I need to achieve that?
>
>
> Cheers
>
> --
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-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014
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