[R] How this addition works?

[baptiste auguie]

recycling rule: repeat the shorter element as many times as necessary,

all.equal(1:2 + 1:10 , rep(1:2, length=10) + 1:10)
# TRUE

HTH,

baptiste

On 28 May 2009, at 22:00, bogaso.christofer wrote:

> I have following addition :
>
>
>
>> 1:2 + 1:10
>
> [1]  2  4  4  6  6  8  8 10 10 12
>
>
>
> I could not understand how R adding those two unequal vector? Any  
> help?
>
>
> 	[[alternative HTML version deleted]]
>
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_____________________________

Baptiste Auguié

School of Physics
University of Exeter
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Exeter, Devon,
EX4 4QL, UK

Phone: +44 1392 264187

http://newton.ex.ac.uk/research/emag