Hi, They get different results: with the same set.seed() x=c(3,2,6,1) n=length(x) set.seed(1) sample(x,1,replace=TRUE) #[1] 2 set.seed(1) sample(x,1,replace=TRUE,prob=rep(1/n , n) ) #[1] 6
identical(sample(x,1,replace=TRUE),sample(x,1,replace=TRUE,prob=rep(1/n , n) )) #[1] FALSE A.K. ----- Original Message ----- From: solafah bh <solafa...@yahoo.com> To: R help mailing list <r-help@r-project.org> Cc: Sent: Saturday, October 6, 2012 12:02 PM Subject: [R] sample Hello If I have x=c(3,2,6,1) and n=length(x), are the following codes equivalent?? sample(x,1,replace=TRUE) and sample(x,1,replace=TRUE,prob=rep(1/n , n) ) Regards [[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. ______________________________________________ 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.
