[R] function sample: diferences across R versions

[Patrick (Malone Quantitative)]

Poorly phrased--makes it act differently with respect to set.seed() .

On Tue, Jul 30, 2019 at 6:55 PM Patrick (Malone Quantitative)
<malone using malonequantitative.com> wrote:
>
> My understanding is that sample() in 3.6.0 did, in fact, change in
> ways that detach it from set.seed().
>
> You can use RNGkind() or RNGversion() to recapture the old behavior.
>
> See https://cran.rstudio.com/bin/windows/base/NEWS.R-3.6.1.html in the
> section CHANGES IN R 3.6.0 .
>
> Also, please do not post in HTML.
>
> Pat
>
> On Tue, Jul 30, 2019 at 6:45 PM Jose Claudio Faria
> <joseclaudio.faria using gmail.com> wrote:
> >
> > Hi,
> > I just noticed the difference in a teaching data generation script between
> > version 3.6.1 and earlier.
> >
> > #! R version 3.4.3
> > set.seed(2019); sample(1:10, 1)
> > [1] 8
> >
> > #! R version 3.5.1patched
> > set.seed(2019); sample(1:10, 1)
> > [1] 8
> >
> > #! R version 3.5.3patched
> > set.seed(2019); sample(1:10, 1)
> > [1] 8
> >
> > #! R version 3.6.0patched
> > set.seed(2019); sample(1:10, 1)
> > [1] 8
> >
> > #! R version 3.6.1patched
> > set.seed(2019); sample(1:10, 1)
> > [1] 9  # <--------------------------------- Here!
> >
> > Is it a bug?
> > if not (is a new feature) how can I maintain compatibility between version
> > 3.6.1 and all others?
> >
> > Regards,
> > ///\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\
> > Jose Claudio Faria
> > UESC/DCET/Brasil
> > joseclaudio.faria at gmail.com
> > Telefones:
> > 55(73)3680.5545 - UESC
> > 55(73)99966.9100 - VIVO
> > ///\\\///\\\///\\\///\\\///\\\///\\\///\\\///\\\
> >
> > If you have software to deal with statistics, you have arms;
> > if you have good software, you have arms and legs;
> > if you have software like R, you have arms, legs and wings...
> > the height of your flight depends only on you!
> >
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > 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.