or, when the package wle is available: library(wle)
get01mat <- function(digits=3) { n <- 2^digits res <- matrix(0,nrow=n,ncol=digits) for(i in 1:n) res[i,] <- rev(binary(i-1,dim=digits)$binary) res } On Sat, 27 Oct 2007, Henrique Dallazuanna wrote: > Hi, > > expand.grid(x=c(0,1), y=c(0,1), z=c(0,1)) > > > -- > Henrique Dallazuanna > Curitiba-Paran?-Brasil > 25? 25' 40" S 49? 16' 22" O > > On 27/10/2007, roger chan <[EMAIL PROTECTED]> wrote: > > > > > > Hi, folks: > > > > I need to generate all 0-1 sequences with given length,say,n=3, the ideal > > result would be > > the following matrix: > > > > 0 0 0 > > 0 0 1 > > 0 1 0 > > 0 1 1 > > 1 0 0 > > 1 0 1 > > 1 1 0 > > 1 1 1 > > > > > > Any help would be appreciated. > > -- > > View this message in context: > > http://www.nabble.com/How-to-generate-all-permutation-of-0-1-sequences-in-R--tf4704377.html#a13446919 > > Sent from the R help mailing list archive at Nabble.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. > > > > [[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.