R *does* search the environment stack. > search() [1] ".GlobalEnv" "package:stats" "package:graphics" [4] "package:grDevices" "package:utils" "package:datasets" [7] "package:methods" "Autoloads" "package:base
What you seem to be missing is that a package may contain bindings that it does not export, as the wording of this error message reminds us: > utils::y Error: 'y' is not an exported object from 'namespace:utils' So when package/namespace goes onto the environment stack, it's only the *exported* bindings that become visible. On Wed, 5 Apr 2023 at 01:56, akshay kulkarni <akshay...@hotmail.com> wrote: > Dear Members, > I have the following code typed at the > console prompt: > > y <- x*10 > > X has not been defined and the above code throws an object not found > error. That is, the global environment does not contain x. Why doesn't it > look further in the environment stack, like that of packages? There are > thousands of packages that contain the variable named x. Of course, that > happens if the above code is in a function (or does it?). > > What concept of R is at work in this dichotomy? > > THanking you, > Yours sincerely, > AKSHAY M KULKARNI > > [[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.