Hi
does
expand.grid(z=seq(0,6,2), y=seq(0,8,4), x=seq(0,10,2))
do what you want?
Petr
r-help-boun...@r-project.org napsal dne 26.06.2009 11:15:42:
> I would raise x,y and z in a loop but I won't raise of 1. I tried this
but it
> doesn't work
>
> mydata=matrix(nrow=1500,ncol=3)
> i=1
> for(x in 0:10){
> for(y in 0:20){
> for(z in 0:10){
> mydata[i,]=c(x,y,z)
> i=i+1
> z=z+2}
> y=y+4}
> x=x+2}
>
> And I would have something like that
> x y z
> 0 0 0
> 0 0 2
> 0 0 4
> 0 0 6
> 0 0 8
> 0 0 10
> 0 4 0
> 0 4 2
> ...
>
> Could anybody help me?
> I don't work on a special package to do it...
>
> Thanks
>
> Cordialement
> Damien Landais
>
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