I believe the word "truncated" is causing the confusion. 3 is "the next smallest integer" following 2.5. But it is not the truncation done by trunc(). Rewording to "rounding the next smallest integer" would get rid of that confusion imho.
Cheers Joris On Wed, Sep 19, 2018 at 7:57 PM Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > This may be a doc error or a coding bug. > > The help page for sample says: > > "Non-integer positive numerical values of n or x will be truncated to > the next smallest integer, which has to be no larger than > .Machine$integer.max." > > This is not true: > > > table(sample(2.5, 1000000, replace = TRUE)) > > 1 2 3 > 399933 399716 200351 > > We shouldn't have those 3's if truncation of x had occurred. > > Duncan Murdoch > > > sessionInfo() > R version 3.5.1 (2018-07-02) > Platform: x86_64-apple-darwin15.6.0 (64-bit) > Running under: macOS High Sierra 10.13.6 > > Matrix products: default > BLAS: > /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.0.dylib > LAPACK: > /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib > > locale: > [1] en_CA.UTF-8/en_CA.UTF-8/en_CA.UTF-8/C/en_CA.UTF-8/en_CA.UTF-8 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > loaded via a namespace (and not attached): > [1] compiler_3.5.1 tools_3.5.1 > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Joris Meys Statistical consultant Department of Data Analysis and Mathematical Modelling Ghent University Coupure Links 653, B-9000 Gent (Belgium) <https://maps.google.com/?q=Coupure+links+653,%C2%A0B-9000+Gent,%C2%A0Belgium&entry=gmail&source=g> ----------- Biowiskundedagen 2017-2018 http://www.biowiskundedagen.ugent.be/ ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
