On Jan 17, 2013, at 1:50 PM, C W wrote: > Dear list, > How do you delete repeated samples? In MCMC, when your candidate value has > been reject, so you remain on the same point, so you keep that value. > > Say I have this toy example, > >> c(1,6,6,6,3,5,4,4,2,3,5)
> c(1,6,6,6,3,5,4,4,2,3,5)[!duplicated(c(1,6,6,6,3,5,4,4,2,3,5))] [1] 1 6 3 5 4 2 > x <- c(1,6,6,6,3,5,4,4,2,3,5) > x[!duplicated(x)] [1] 1 6 3 5 4 2 > !duplicated(x) [1] TRUE TRUE FALSE FALSE TRUE TRUE TRUE FALSE TRUE FALSE FALSE > which(!duplicated(x)) [1] 1 2 5 6 7 9 > > The 6 and 4 are repeated, I only want the index of the non-repeated values. > > I thought of using which() and unique(), but that does not give you the > index of the unique values. > > Thanks in advance. > > Mike > > [[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. David Winsemius Alameda, CA, USA ______________________________________________ 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.