Dear Peter, Thanks, it's good to know there is a good explanation for this and also the sample.kind is now more stable. Curiously though, I run the very same R version on both computers and I would have expected RNGkind() to work the same.
Best, Adrian On Thu, Jan 23, 2020 at 11:18 AM peter dalgaard <pda...@gmail.com> wrote: > > That's the effect of RNGkind(sample.kind="Rejection") which is the new default. Unfortunately, the older and buggy "Rounding" has a tendency to linger in saved workspaces. > > -pd > > > RNGkind(sample.kind="Rejection") > > set.seed(12) > > sample(letters[1:10]) > [1] "b" "g" "c" "f" "e" "i" "d" "j" "h" "a" > > RNGkind(sample.kind="Rounding") > Warning message: > In RNGkind(sample.kind = "Rounding") : non-uniform 'Rounding' sampler used > > set.seed(12) > > sample(letters[1:10]) > [1] "a" "h" "i" "b" "g" "j" "e" "f" "d" "c" > > > > On 23 Jan 2020, at 09:51 , Adrian Dușa via R-SIG-Mac < r-sig-mac@r-project.org> wrote: > > > > Dear All, > > > > I've recently acquired a new MacBook, and while transferring my files and > > settings I noticed something I did not expect: > > > > Old Mac: > >> set.seed(12) > >> sample(letters[1:10]) > > [1] "a" "h" "i" "b" "g" "j" "e" "f" "d" "c" > > > > > > New Mac: > >> set.seed(12) > >> sample(letters[1:10]) > > [1] "b" "g" "c" "f" "e" "i" "d" "j" "h" "a" > > > > For numbers I don't see anything different, the examples from ?set.seed > > producing the same results. Both R versions are the same (3.6.2) and both > > computers run macOS Catalina 10.15.2. > > > > I would be grateful for any advice, > > Adrian > > > > -- > > Adrian Dusa > > University of Bucharest > > Romanian Social Data Archive > > Soseaua Panduri nr. 90-92 > > 050663 Bucharest sector 5 > > Romania > > https://adriandusa.eu > > > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > R-SIG-Mac mailing list > > R-SIG-Mac@r-project.org > > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > > -- > Peter Dalgaard, Professor, > Center for Statistics, Copenhagen Business School > Solbjerg Plads 3, 2000 Frederiksberg, Denmark > Phone: (+45)38153501 > Office: A 4.23 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > > > > > > > > -- Adrian Dusa University of Bucharest Romanian Social Data Archive Soseaua Panduri nr. 90-92 050663 Bucharest sector 5 Romania https://adriandusa.eu [[alternative HTML version deleted]] _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
