[R] Adding to the middle of a vector

Dimitris Rizopoulos d.rizopoulos at erasmusmc.nl
Mon Sep 7 20:01:15 CEST 2009


have a look at ?append(), e.g.,

x <- 101:110
append(x, 200, after = 4)


I hope it helps.

Best,
Dimitris


Dennis Fisher wrote:
> Colleagues,
> 
> Assume that I have a vector with N elements
>     Vector    <- 101:110).
> 
> I would like to interpose an element into the vector at a position other 
> than the start or end:
>     c(101:104, 200, 105:110).
> 
> I could do the following:   
>     NewVector    <- c(Vector[1:4], NewElement, Vector[5:10])
> 
> However, I suspect that there is a more elegant solution.
> 
> Any proposals?
> 
> Dennis
> 
> 
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone: 1-866-PLessThan (1-866-753-7784)
> Fax: 1-415-564-2220
> www.PLessThan.com
> 
> ______________________________________________
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> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
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