[R] I might be dumb : a simple question about "foreach"
Daya Atapattu
daya at revolution-computing.com
Thu Jul 23 21:55:57 CEST 2009
This problem is due to a bug in the iterators package.
It has been fixed in version 1.0.2 of iterators, which is
on CRAN now.
- Daya
Daya Atapattu
Revolution Computing
Olivier ETERRADOSSI wrote:
> Many thanks David for making the connection betweeen the two reports.
> If I understand, other french users may have faced the same problem...
> However I'll wait until it's solved to have a look at "foreach".
> Regards. Olivier
>
> David M Smith a écrit :
>> A user in Japan reported a similar problem on the Revolutions blog (
>> http://bit.ly/FKP2I ), and my best guess is that it's an
>> (unintended!) effect of using locales. The developers in New Haven
>> are looking at it, and I expect they'll be able to post an update to
>> CRAN soon.
>>
>> # David Smith
>>
>> On Mon, Jul 20, 2009 at 5:48 AM, Olivier ETERRADOSSI
>> <Olivier.Eterradossi at ema.fr <mailto:Olivier.Eterradossi at ema.fr>> wrote:
>>
>> Hi list,
>> My attention was drawn to the foreach package by recent posts...I
>> decided to have a look...
>> I'm using R.2.9.1 on Windows, I have downloaded the foreach
>> package today (v 1.2.1), together with iterators (v. 1.0.1) and
>> codetools (v.0.2-2).
>> Full of hope I try the most simple thing of all out of the package
>> vignette :
>>
>> x <- foreach(i = 1:3) %do% sqrt(i)
>>
>> and get :
>>
>> Erreur dans sqrt(i) : indice hors limites ( i.e. "error in
>> sqrt(i) : index out of bounds")
>>
>> but when trying :
>>
>> x<-foreach(i = 1:3) %do% print(sqrt(i))
>>
>> I get :
>>
>> [1] 1
>> [1] 1.414214
>> [1] 1.732051
>> Erreur dans print(sqrt(i)) : indice hors limites
>>
>> Probably I didn't drink enough coffee this morning and I'm still
>> asleep : it is obvious that I miss a point... but I am unable to
>> see which one.
>> Any help appreciated ! Many thanks, and very best regards Olivier
>>
>> -- Olivier ETERRADOSSI
>> Maître-Assistant
>> CMGD / Equipe "Propriétés Psycho-Sensorielles des Matériaux"
>> Ecole des Mines d'Alès
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>> http://www.ema.fr
>>
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>>
>>
>> --
>> David M Smith <david at revolution-computing.com
>> <mailto:david at revolution-computing.com>>
>> Director of Community, REvolution Computing
>> www.revolution-computing.com <http://www.revolution-computing.com>
>> Tel: +1 (206) 577-4778 x3203 (San Francisco, USA)
>>
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>
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