Re: [R] lmer

From: Renaud Lancelot <renaud.lancelot_at_cirad.fr>
Date: Mon 11 Apr 2005 - 03:12:04 EST

Uwe Ligges a écrit :

> David Barron wrote:
> 

>> Since the recent update to package lme4, I now get an error when
>> trying to
>> print the results using lmer to obtain model estimates for anything other
>> than a liner mixed model. For example,
>> (fm1 <- lmer(decrease ~ treatment + (1|rowpos) +
>> (1|colpos),family=poisson(),
>> data=OrchardSprays))
>>
>> Produces the error:
>>
>> Error in checkSlotAssignment(object, name, value) : Assignment
>> of an object of class "NULL" is not valid for slot
>> "frame" in an object of class "summary.lmer"; is(value, "data.frame")
>> is not
>> TRUE
>> Error in show(new("summary.lmer", object, useScale = TRUE,
>> showCorrelation =
>> FALSE)) : Unable to find the argument "object" in selecting a
>> method for
>> function "show"
> 
> 
> 
> Yes, the recent version has also some inconsistancy with the mlmRev 
> package, perhaps a bug .... Doug Bates certainly knows better.
> 
> Version 0.95-1 has not had this problem (but others, I think).
> If you want to "downgrade" for the meantime,
> check out CRAN/bin/windows/contrib/2.0/last/
> with "old" versions of Matrix, lme4 and friends.
> 
> Uwe Ligges
> 
> 

>> My version information:
>>
>> platform i386-pc-mingw32
>> arch i386 os mingw32 system i386,
>> mingw32 status major 2 minor
>> 0.1 year 2004 month 11
>> day 15 language R
>> Any help greately appreciated!

Quoting Douglas Bates after a private message (last Friday) on this topic:

[...]
I must change the lmer methods for GLMMs to correspond to the new lmer structure. I won't be able to fix this immediately as I leave early tomorrow morning for Montreal to teach a short course. Look for a new lme4 package by midweek next week.

Best,

Renaud

-- 
Dr Renaud Lancelot, vétérinaire
C/0 Ambassade de France - SCAC
BP 834 Antananarivo 101 - Madagascar

e-mail: renaud.lancelot@cirad.fr
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Received on Mon Apr 11 03:17:43 2005

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