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20480
2005 Feb 25
1
anova grouping of factors in lme4 / lmer
...up variables properly. I'm fitting the mixed model
Response ~ Weight + Experimenter + (1|SUBJECT.NAME) + (1|Date.StudyDay)
where Weight is numeric and Experimenter is a factor, ie,
> str(data.df)
`data.frame': 4266 obs. of 5 variables:
$ SUBJECT.NAME : Factor w/ 2133 levels "A0480","A0..",..: 1 1 2 2 ...
$ Response : num -0.490 0.145 1.992 -0.391 0.917 ...
$ Date.StudyDay: Factor w/ 161 levels "16","22","24",..: 24 24 ...
$ Experimenter : Factor w/ 7 levels "amyt","carmena",..: 5 5 1 1 3 3 ......