[Rd] nlme: bug in getCovariateFormula (PR#1038)
Tue, 31 Jul 2001 23:16:41 +0200 (MET DST)
Douglas Bates <firstname.lastname@example.org> writes:
> Exactly. The code was originally written for S and ported to R. Some
> of the contorted expressions were things that we found by
> experimentation would work in both systems.
> > ??
> > (What is the eval for? Doesn't usually do anything to a
> > formula argument.)
> In Sv3 at least it assigns a class to the object.
Aha. In R too.
> I'll change it to eval(substitute(~form)) for the R package.
Great. I would have thought that one of the two other forms would be
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