[R] Data transformation

Simon Blomberg blomsp at ozemail.com.au
Wed Aug 2 05:01:01 CEST 2006


If x is your data, and is a vector, then

rep(x, each=2)

should do it for you.

Cheers,

Simon.

jenny tan wrote:
> Hi there,
>
> Wonder if someone who is R-savvy can help me with the following task (see 
> below) that I occasionally do work and gets quite tedious if I do it 
> manually. Thanks in advance!
>
> jenny.
>
> -----------------
>
> I have a column of data that looks like this:
> NA18501
> NA18502
> NA18504
> NA18505
> NA18507
> NA18508
> NA18516
> NA18517
> NA18522
> NA18523
>
> And I want to duplicate the values and sort of "interweave" them to look 
> like this:
>
> NA18501
> NA18501
> NA18502
> NA18502
> NA18504
> NA18504
> NA18505
> NA18505
> NA18507
> NA18507
> NA18508
> NA18508
> NA18516
> NA18516
> NA18517
> NA18517
> NA18522
> NA18522
> NA18523
> NA18523
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>   


-- 
Simon Blomberg, B.Sc.(Hons.), Ph.D, M.App.Stat.
Centre for Resource and Environmental Studies
The Australian National University
Canberra ACT 0200
Australia
T: +61 2 6125 7800 email: Simon.Blomberg_at_anu.edu.au
F: +61 2 6125 0757
CRICOS Provider # 00120C



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