[R] Re : Re : aregImpute (Hmisc package) : error in matxv(X, xcof)...

[Marc Carpentier]

With "txt" extensions for the server filter (hope it's not the size "Message body is too big: 182595 bytes with a limit of 150 KB").
Sorry.


----- Message d'origine ----
De : David Winsemius <dwinsemius at comcast.net>
À : Marc Carpentier <marc.carpentier at ymail.com>
Cc : Uwe Ligges <ligges at statistik.tu-dortmund.de>; r-help at r-project.org
Envoyé le : Mar 4 mai 2010, 20 h 28 min 53 s
Objet : Re: [R] Re :  aregImpute (Hmisc package) : error in matxv(X, xcof)...


On May 4, 2010, at 2:13 PM, Marc Carpentier wrote:

> Ok. I was afraid to refer to a known and obvious error.
> Here is a testing dataset (pb1.csv) and commented code (pb1.R) with the problems.
> Thanks for any help.

Nothing attached. In all likelihood had you given these file names with extensions of .txt, they would have made it through the server filter
> 
> Marc
> 
> ________________________________
> De : Uwe Ligges <ligges at statistik.tu-dortmund.de>
> À : Marc Carpentier <marc.carpentier at ymail.com>
> Cc : r-help at r-project.org
> Envoyé le : Mar 4 mai 2010, 13 h 52 min 31 s
> Objet : Re: [R] aregImpute (Hmisc package) : error in matxv(X, xcof)...
> 
> Having reproducible examples including data and the actual call that
> lead to the error would be really helpful to be able to help.
> 
> Uwe Ligges
> 
> On 04.05.2010 12:23, Marc Carpentier wrote:
>> Dear r-help list,
>> I'm trying to use multiple imputation for my MSc thesis.
>> Having good exemples using the Hmisc package, I tried the aregImpute function. But with my own dataset, I have the following error :
>> 
>> Erreur dans matxv(X, xcof) : columns in a (51) must be<= length of b (50)
>> De plus : Warning message:
>> In f$xcoef[, 1] * f$xcenter :
>>   la taille d'un objet plus long n'est pas multiple de la taille d'un objet plus court
>>   = longer object length is not a multiple of shorter object length
>> 
>> I first tried to "I()" all the continuous variables but the same error occurs with different numbers :
>> Erreur dans matxv(X, xcof) : columns in a (37) must be<= length of b (36)...
>> 
>> I'm a student and I'm not familiar with possible constraints in a dataset to be effectively imputed. I just found this previous message, where the author's autoreply suggests that particular distributions might be an explanation of algorithms failure :
>> http://www.mail-archive.com/r-help@r-project.org/msg53534.html
>> 
>> Does anyone know if these messages reflect a specific problem in my dataset ? And if the number mentioned might give me a hint on which column to look at (and maybe transform or ignore for the imputation) ?
>> Thanks for any advice you might have.
>> 
>> Marc
>> 
> 


David Winsemius, MD
West Hartford, CT


      
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