This is very cool indeed until you want to use more than 32 or so terms and most operating systems force you to go to floating point.
> x=sample(2^34,1000) Error in sample(2^34, 1000) : invalid 'x' argument In addition: Warning message: In sample(2^34, 1000) : NAs introduced by coercion jholtman wrote: > > Are you just trying to obtain a combination from 25 possible terms? > If so, then just sample the number you want and convert the number to > binary: > >> sample(33554432,100) > [1] 6911360 5924262 23052661 12888381 25831589 16700013 24079278 > 33282839 12751862 26086726 31363494 7118320 21866536 4212929 > David Katz www.davidkatzconsulting.com -- View this message in context: http://www.nabble.com/how-to-subsample-all-possible-combinations-of-n-species-taken-1%3An-at-a-time--tp22911399p22919597.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.
