[R] Odp: Manual recycling of vectors?
P.Dalgaard at biostat.ku.dk
Fri Oct 19 16:40:04 CEST 2007
Petr PIKAL wrote:
> r-help-bounces at r-project.org napsal dne 19.10.2007 15:58:43:
>> Sorry if this is already answered somewhere, but I could not find it.
>> I have two vectors, x,y, of different length, and I want to recycle
>> the smaller one (whichever one it is) until they have the same
>> length. I was wondering if there is a anything better than something
> gives you desired recycling in matrix form or
> if you know that y is longer than x and all number are bigger than 0.
It doesn't really help, though. I'd go for the straightforward
lx <- length(x)
ly <- length(y)
if (lx < ly)
x <- rep(x, length=ly)
else if (lx > ly)
y <- rep(y, length=lx)
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