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Full_Name: Dale Barr Version: 2.5.1 (patched) OS: Ubuntu linux x86_64 Submission from: (NULL) (138.23.70.108) When RMySQL is loaded in before lme4, the summary() function for lmer objects in the lme4 packages produces the following error: Error in printMer(object) : no slot of name "status" for this object of class "table" When RMySQL is loaded AFTER lme4, however, no such error arises. For example, the following code gives the error: > library(RMySQL) Loading required package: DBI > library(lme4) Loading required package...

Hi, Could someone explain what this message mean? I was playing with lme4 pacakge but I could not run any models... Error in printMer(object) : no slot of name "dims" for this object of class "table" In addition: Warning message: In printMer(object) : trying to get slot "dims" from an object (class "table") that is not an S4 object

...r 2: In namespaceImportFrom(self, asNamespace(ns)) : replacing previous import: update 3: In namespaceImportFrom(self, asNamespace(ns)) : replacing previous import: xtabs R> example example R> example(lmer) lmerR> (fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy)) Error in printMer(object) : no slot of name "status" for this object of class "table" In addition: Warning message: In printMer(object) : trying to get slot "status" from an object (class "table") that is not an S4 object ---<---------------cut here---------------end---...

...gun to use the lme4 package, rather than nlme, for more flexibility during modelling, and running the examples in lmer I receive this error message: ---<---------------cut here---------------start-------------->--- R> (fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy)) Error in printMer(object) : no slot of name "status" for this object of class "table" R> sessionInfo() R version 2.5.1 RC (2007-06-25 r42057) x86_64-pc-linux-gnu locale: LC_CTYPE=en_CA.UTF-8;LC_NUMERIC=C;LC_TIME=en_CA.UTF-8;LC_COLLATE=en_CA.UTF-8;LC_MONETARY=en_CA.UTF-8;LC_MESSAGES=en_CA.U...

I have recently started learning R. I converted a Stata datafile into an R image file, but I am unable to do anything with the data. For example, I am unable to calculate the mean of any variable or create a scatterplot of some of the data. I always get a message saying, "Error in plot(rgnpc, incmean) : object "rgnpc" not found" when I attempt to make a simple plot of the

Does anyone know if the lmer function of lme4 works fine for unbalanced designs? I have the examination results of 1000 pupils on three subjects, one score every term. So, I have three scores for English (one for every term), three scores for maths etc. However, not everybody was examined in maths, not everybody was examined in English etc, but everybody was in effect examined on four subjects. I