For example, this works: library(zoo) as.Date(0) ## [1] "1970-01-01"
On Sun, Dec 6, 2020 at 7:10 AM Achim Zeileis <achim.zeil...@uibk.ac.at> wrote: > > On Sun, 6 Dec 2020, Jan Gorecki wrote: > > > Hello all, > > > > I would like to propose to change the default value for "origin" > > argument in as.POSIXct.numeric method, from current missing to new > > "1970-01-01". > > My proposal is motivated by the fact that this is the most commonly > > needed value for "origin" argument and having that as a default seems > > reasonable. > > Proposed change seems to be pretty safe because it is now an error. > > I would also be in favor of this (and have been for years), mostly to make > it consistent with the as.numeric() method. Same for "Date". > > To support the latter, the "zoo" package provides a separate as.Date() > generic that enables the as.Date.numeric() with different default. > > The main argument of R Core against it is that it is too uncertain whether > the origin is really 1970-01-01, e.g., when importing from Excel or SAS. > > Best wishes, > Z > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel