This seems more theoretical than specific to R, so you should discuss this question in a more theoretical forum such as http://stats.stackexchange.com/.
FWIW I believe the results will be equally random either way. That doesn't say either way will be "absolutely" random, since I don't think such a thing is possible. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. saschav...@gmail.com wrote: >Hello, > >Vector y is an alphabetically sorted version of vector x. Will both >samples, X and Y, be "absolutely" random or will they have systematic >differences? And: Should I sort or shuffle a vector before sampling? > >Thank you, *S* > >x <- as.factor(LETTERS[sequence(10:1)]) >y <- sort(x) >X <- sample(x, 5) >Y <- sample(y, 5) > > >-- >Sascha Vieweg, saschav...@gmail.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. ______________________________________________ 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.