Try this: DF[sample(seq(nrow(DF)), 1000),]
Where DF is your data On Tue, Nov 16, 2010 at 3:13 PM, Mariana <mvale....@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. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
