Try this:

DF[sample(seq(nrow(DF)), 1000),]

Where DF is your data

On Tue, Nov 16, 2010 at 3:13 PM, Mariana <mvale.eco@gmail.com> wrote:

>
> Hi there:
> I am a total beginner in R, and I have a simple question:
> I have a table with thousands of lines that represent locations, and two
> columns: latitude and longitude. I need to randomly sample 1000 lines. How
> do I do it? I know the command "sample", but it samples elements
> independently, not lines.
> If there is a better place for me to ask that type of question, please let
> me know.
> Thanks a lot,
> Mariana (from Brazil)
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Anyone-can-help-with-this-question-tp3045265p3045265.html
> Sent from the R help mailing list archive at Nabble.com.
>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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