Uwe Ligges a �crit :
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, v�t�rinaire
C/0 Ambassade de France - SCAC
BP 834 Antananarivo 101 - Madagascar
e-mail: [EMAIL PROTECTED]
tel.: +261 32 40 165 53 (cell)
+261 20 22 665 36 ext. 225 (work)
+261 20 22 494 37 (home)
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