Hi. See ?sample, ?replicate,?colMeans, ?plot.. Here is the simple example:
sample(1:1000,20) replicate(5, sample(1:1000,20)) colMeans(replicate(5, sample(1:1000,20))) Andrija On Wed, Jul 31, 2013 at 1:23 PM, Rita Gamito <[email protected]> wrote: > Could anyone tell me how,from a pool of 1002 observations (one variable), > can I resample 1000 samples of 20 observations? > And then calculate the mean and standard deviation between 2, 3, 4, ..., > 1000 samples and plot them? > Thank you! > > _____________________________________ > > Rita Gamito > Centro de Oceanografia > Faculdade de Ciências, Universidade de Lisboa > Campo Grande, 1749-016 Lisboa, Portugal > e-mail: [email protected] > Tel: + 351 21 750 00 00 - ext. 22575 > Fax: + 351 21 750 02 07 > www.co.fc.ul.pt > ______________________________________________ > [email protected] 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]]
______________________________________________ [email protected] 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.
