On Fri, Apr 18, 2008 at 7:49 AM, Duncan Murdoch <[EMAIL PROTECTED]> wrote:
> On 18/04/2008 7:27 AM, Gabor Grothendieck wrote:
> > If you define your functions in the loop you can it directly
> > since then the scoping rules work in your favor:
> >
> > for(i in 1:4) {
> > f <- function() i*i
> > print(f())
> > }
> >
>
> f doesn't need to be in the loop, it just needs to be defined in the same
> environment as i was defined in. Loops in R don't create new local frames.
>
That's a good point. Do you know if R will optimize out constant expressions
from a loop?
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