Dear Hamid, Try this: > pop<-c(1,5,14,7,9,12,18,19,65,54) > pop [1] 1 5 14 7 9 12 18 19 65 54 > spop<-sample(pop,2) > spop [1] 14 19 > newpop=pop[!pop%in%spop] > newpop [1] 1 5 7 9 12 18 65 54
See ?"%in%"" for more information. HTH, Jorge On Mon, Dec 1, 2008 at 2:16 PM, Hamid Hamid <[EMAIL PROTECTED]> wrote: > Dear All, > I am trying to build a program which will take repeated samples (w/o > replacement) from a population of values. The interesting catch is that I > would like the sample values to be removed from the population, after each > sample is taken. > > For example: > > > pop<-c(1,5,14,7,9,12,18,19,65,54) > > > sample(pop, 2) = lets say, (5,54) > ## This is where I would like values (5, 54) to be removed from the > population vector, giving a new "current" population vector: > > > "new" pop = [1,14,7,9,12,18,19,65] > and has length 8 instead of 10. > > In the cases when the size of pop and deriven sample of it is enough large > using the following command is not helpful. > newpop<-pop[-c(2,10)] > > One could simplify my question in this way: how we can exclude a sub vector > values from a super vector value (i.e sub vecor values are subset of super > vector values). > Thanks in advance. > Hamid > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
