Re: [R] Anyone can help with this question

2010-11-16 Thread Jonathan P Daily
assuming your data takes the form of locationlatitudelongitude string num num string2 num num try: sub <- dat[sample.int(length(dat$location), 1000),] -- Jonathan P. Daily Technician - USGS Leetown Science Center 11649 Leetown Road Kea

Re: [R] Anyone can help with this question

2010-11-16 Thread Henrique Dallazuanna
Try this: DF[sample(seq(nrow(DF)), 1000),] Where DF is your data On Tue, Nov 16, 2010 at 3:13 PM, Mariana 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 longitud

Re: [R] Anyone can help with this question

2010-11-16 Thread David Winsemius
On Nov 16, 2010, at 12:13 PM, Mariana wrote: Hi there: I am a total beginner in R, Time to read the Posting Guide. (Especially since Nabble appears to deficient in providing an introductory document, at least judging from the email behavior of some of its users.) and I have a simple q