: how to select rows at random
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 <jholtman at gmail.com>:
?sample On Fri, Mar 27, 2009 at 3:11 PM, Laura Rodriguez Murillo <laura.lmurillo at 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
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