It is a lot easier from this side of the conversation to view skeptically the claim that all of these installations of R are using the same version than that the software seed has started behaving randomly within the same version of R.
On May 2, 2020 10:39:58 PM PDT, "Fomby, Tom" <tfo...@mail.smu.edu> wrote: >Please consider the following code: > >set.seed(1) > >train.index = sample(181,150) >head(train.index) ># [1] 49 67 103 162 36 159 Result from my ASUS computer ># ># [1] 68 167 129 162 43 14 Result from my wife's HP Pavilion computer > >In both cases, version 3.6.3 of R are being used. > >In addition, of the 20 students in my Predictive Analytics class, 14 >got the first result while 6 got the latter result. These results do >not seem to be specific to MAC (OS) versus PC (Windows). In several >cases, students using 3.6.3 got differing results. This makes grading >of homework challenging not knowing which partitions of the data are >being used by the student. > >Thank you for considering my question. > >Sincerely, > >Tom Fomby > >Professor of Economics > >SMU > >Dallas, TX 75275 > >tfo...@smu.edu > > > [[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. -- Sent from my phone. Please excuse my brevity. ______________________________________________ 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.
