Not sure this is valid that you can have 9 random samples out of 10,
but the last one has to be fixed to meet the restraint, sum=10.
Weidong
On Mon, Nov 7, 2011 at 5:22 PM, SarahJoyes <sjo...@uoguelph.ca> wrote:
> Hey everyone,
> I am at best, an amateur user of R, but I am stuck on how to set-up the
> following situation.
> I am trying to select a random sample of numbers from 0 to 10 and insert
> them into the first column of a matrix (which will used later in a loop).
> However, I need to have those numbers add up to 10. How can I set those
> conditions?
> So far I have:
> n<-matrix(0,nr=5,ncol=10)
> for(i in 1:10){n[i,1]<-sample(0:10,1)}
> How do I set-up the "BUT sum(n[i,1])=10"?
> Thanks
> SarahJ
>
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