This example is a little more subtle than that; the OP knows about name masking, but was expecting T to be coerced to logical, which would ordinarily be a reasonable expectation (IMO) ...
On Fri, Dec 13, 2024 at 3:40 PM Jeff Newmiller via R-help <r-help@r-project.org> wrote: > > This was documented in [1] forever ago. I would not miss it if a future > version of R chose to remove those variables. > > [1] The R Inferno, 8.1.32 > > On December 13, 2024 11:21:13 AM PST, ivo welch <ivo.we...@ucla.edu> wrote: > >isn't this still a little R buglet? I have overwritten T (even if my > >schuld [franconian], it is not that uncommon an error, because T is also a > >common abbreviation for the end of a time series; namespace pollution in R > >can be quite annoying, even though I understand that it is convenient in > >interactive mode). Nevertheless, I am passing into mean() a positive > >number for na.rm, and by definition, a positive number still means TRUE. > > besides, sd() and mean() should probably treat this similarly, anyway. I > >do see the argument that functions cannot be proof against redefinitions of > >all sorts of objects that they can use. more philosophically, some > >variables should not be overwritable, or at least trigger a warning. > > > >As Dante wrote, Abandon all hope ye who enter R. > > > >-- > >Ivo Welch (ivo.we...@ucla.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 https://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 https://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ 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 https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
