I'm not sure what you mean by "balance", but you can use sample() to randomly order the values 1:1000, then use the first 700 as row indices for the first set, and the last 300 as the test set.
Sarah On Mon, Nov 19, 2012 at 12:16 PM, Eddie Smith <eddie...@gmail.com> wrote: > Hi guys, > > I have 1000 rows of a dataset. In my analysis, I need 70% of the data, > run my analysis and then use the remaining 30% to test my model. > > Could anybody kindly help me on this? > > Cheers -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.