I asked a similar question earlier in the year, http://r.789695.n4.nabble.com/How-to-stop-set-seed-besides-exiting-out-of-R-td4661717.html
I liked this solution from William, > rm(list=".Random.seed", envir=globalenv()) Mike On Thu, Jun 13, 2013 at 5:27 PM, Michael Weylandt <michael.weyla...@gmail.com> wrote: > > > On Jun 13, 2013, at 18:32, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > >> On 13/06/2013 11:59 AM, Pooya Lalehzari wrote: >>> Hello, >>> If I use set.seed(x) to set a seed for the random number generator, how can >>> I undo that to revert a random output every time I run my code? >> >> If you remove .Random.seed, then the next time a seed is needed it will be >> generated from the system clock, so it will appear random. > > Also, in recent versions of R (>= 3.0.0 I believe) set.seed(NULL) will do the > same. > > MW > > >> >> Duncan Murdoch >> >> ______________________________________________ >> 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. ______________________________________________ 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.
