?sample

Please use RSiteSearch to look for functions and helps.
I think you also need R/Rpad Reference Card (www.rpad.org/Rpad/Rpad-ref*card
*.pdf <http://www.rpad.org/Rpad/Rpad-refcard.pdf>)


On 5/1/06, zhang jian <jzhang1982@gmail.com> wrote:
>
>  yeah, that is right. But I donot know how to choose some random points
> from 1-5000.
> Thanks!
>
>
>  On 5/1/06, Xiaohua Dai <ecoinformatics@gmail.com> wrote:
> >
> >  If I donot misundertand your question, you can lable all your trees (
> > e.g. 1-5000) and then randomly choose some numbers from 1-5000.
> >
> > HTH
> >  Xiaohua
> >
> >
> >  On 5/1/06, zhang jian < jzhang1982@gmail.com> wrote:
> >
> > > Hello!
> > There are about 5000 trees in 200m*200m plot. I want to choose some
> > trees
> > randomly from 5000 trees. But I donot know how to choose it.
> > Please give me some advices.
> > Thanks!
> >
> >        [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@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
> > <http://www.r-project.org/posting-guide.html>
> >
> >
> >
> >
>

	[[alternative HTML version deleted]]


