On Fri, Feb 24, 2012 at 5:03 PM, peter dalgaard <pda...@gmail.com> wrote:
>
>
> Now that's just weird... Firstly, it has nothing to do with sapply vs. for
> loops. It just works because you are inserting yet another function
> environment.
Thank you Peter, that makes more sense. As you can probably imagine,
first I made it work, then I convinced myself why. Just another of my
bad habits...
Secondly, if there was ever a point to having the buttons in the
OK.but list, it is not going to work anymore because you are assigning
each element to a different list, one per function environment.
Yes. I was aware of this but what is not going to work ? isn't the
OK.but list simply "storage" ? can it be used in some other way ? The
OP should answer if there is indeed some other application intended
that might fail, but I assumed there really wasn't a reason for this
exercise of creating the same button in a loop except for convenience.
> A more straightforward fix could be to do
>
> command = local({i <- i; function() PressedOK(i)})
Ouch! the thought to use local crossed my mind and was discarded in
favor of other (failed) attempts to "store" i before evaluation. This
is much better. Thank you again. I change my vote from my own solution
to this one.
>
> Other options might use the fact that command arguments can be R call
> objects, so you can insert the value of i directly into the call using
>
> command = substitute(PressedOK(i), list(i=i))
>
> or
>
> command = bquote(PressedOK(.(i)))
>
> [ There's a bug fixed in 2.14.2-RC which prevents this from working in a for
> loop; for 2.14.1 and earlier, you'll need .(force(i)) ]
>
>> Cheers,
>> Elai
>>
>>
>>> Thanks
>>>
>>>
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>
> --
> Peter Dalgaard, Professor,
> Center for Statistics, Copenhagen Business School
> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
> Phone: (+45)38153501
> Email: pd....@cbs.dk Priv: pda...@gmail.com
>
>
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