Hi Abby, After running a few tests on my local and remote versions of R, this seems to be the most plausible answer to the problem. I put set.seed(123) several times within my code and produced the same results but would rather not have to do that if possible.
On Sat, Aug 8, 2020 at 6:05 PM Abby Spurdle <spurdl...@gmail.com> wrote: > Hi Kevin, > > Intuitively, the first step would be to ensure that all versions of R, > and all the R packages, are the same. > > However, you mention HPC. > And the glmnet package imports the foreach package, which appears > (after a quick glance) to support multi-core and parallel computing. > > If your code uses parallel computing (?), you may need to look at how > random numbers, and related results, are handled... > > > On Sun, Aug 9, 2020 at 1:14 AM Kevin Egan <kevinega...@gmail.com> wrote: > > > > I posted this question: > > > > I am currently using R , RStudio , and a remote computer (using an R > script) to run the same code. I start by using set.seed(123) in all three > versions of the code, then using glmnet to assess a matrix. Ultimately, I > am having trouble reproducing the results between my local and the remote > computer's results. I am using R version 4.0.2 locally, and R version 3.6.0 > remote. > > > > After running several tests, I'm wondering if there is a difference > between the two versions in R which may lead to slightly different > coefficients. If anyone has any insight I would appreciate it. > > > > Thanks. > > > > and found that there were slight differences between using rnorm with > R-4.0.2 and R-3.6.0 but did not find any differences for runif between both > systems. In my original code, I am using rnorm and was wondering if this > may be the reason I am finding slight differences in coefficients for > glmnet and lars testing between using my local computer (R-4.0.2) and my > remote computer (R-3.6.0). I am running my code locally on a MacOSX and > remote on what I believe is an HPC. > > > > Thanks. > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@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. > [[alternative HTML version deleted]] ______________________________________________ R-help@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.
