[R] lmer

From: David Barron <david.barron_at_jesus.ox.ac.uk>
Date: Sun 10 Apr 2005 - 22:55:12 EST


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"

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!



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