Thank you so much again! Laura
2009/3/27 jim holtman <jholt...@gmail.com>: > I meant type in "?sample" to see what the 'sample' function does. For > example, to select 50 random rows, > >> sample(2000,50) > [1] 1004 857 1219 1850 480 543 1466 1498 1854 922 1713 621 414 > 1830 105 817 906 825 1329 1500 1806 1623 186 352 1270 1727 1170 > 518 1743 370 964 20 710 870 248 1227 594 471 704 1751 > [41] 1942 1435 1944 1057 849 1886 290 130 48 1195 >> > > > On Fri, Mar 27, 2009 at 3:18 PM, Laura Rodriguez Murillo > <laura.lmuri...@gmail.com> wrote: >> Sorry, I'm attaching part of the file I have. They go up to 2000 and I >> would like to take a subset of around 300. >> >> >> 5001 1 >> 5001 2 >> 5001 3 >> 5001 5 >> 5001 6 >> 5002 1 >> 5002 2 >> 5002 5 >> 5002 6 >> 5002 11 >> 5002 15 >> 5002 16 >> 5003 1 >> 5003 2 >> 5003 5 >> 5003 6 >> 5004 1 >> 5004 2 >> 5004 5 >> 5004 6 >> 5004 10 >> 5004 11 >> 5004 12 >> 5004 15 >> 5004 16 >> 5004 25 >> 5004 26 >> 5004 35 >> 5004 36 >> 5004 45 >> 5004 46 >> 5004 55 >> >> >> Thank you! >> >> Laura >> >> 2009/3/27 jim holtman <jholt...@gmail.com>: >>> ?sample >>> >>> On Fri, Mar 27, 2009 at 3:11 PM, Laura Rodriguez Murillo >>> <laura.lmuri...@gmail.com> wrote: >>>> Hi dear list, >>>> >>>> I have a list of around 2000 identifiers aranged in a dataframe in one >>>> column and I would like to choose a random subset of these. I wonder >>>> if somebody can tell me if I could do this with R... >>>> >>>> Thank you so much! >>>> >>>> Laura RM >>>> >>>> ______________________________________________ >>>> 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. >>>> >>> >>> >>> >>> -- >>> Jim Holtman >>> Cincinnati, OH >>> +1 513 646 9390 >>> >>> What is the problem that you are trying to solve? >>> >> > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > ______________________________________________ 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.
