On Tue, Mar 31, 2009 at 3:41 PM, Wacek Kusnierczyk <
Waclaw.Marcin.Kusnierczyk@idi.ntnu.no> wrote:

> Stavros Macrakis wrote:
> > ...All that being said, programming with global variables makes certain
> classes of bug much more likely....
>
> ... in a language like r, that heavily relies on setting global variables
> (par(), options(), ...).
>

Yes, par, options, etc. are problematic, too, especially since there's no
easy way I know of to make them local (like dynamic binding in old Lisps).

            -s

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