search for: carmena

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2005 Feb 25
1
anova grouping of factors in lme4 / lmer
...: 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 ... $ Weight : num 25.3 25.3 16.7 16.7 28.2 28.2 27.1 27.1 ... The model fits fine but when I call anova() to see the effect of the Experimenter factor, I get a sequential anova table where factor levels are fit one at a time, ie, > anova(lmer(Response ~ Weight +...