Answer by f1r3br4nd for Troublesome residual plot from linear mixed model
You could try plotting the standardized residuals and see if very few of them have an absolute value greater than 3. But the elephant in the room is, if perOOgivenP is a proportion, you need to...
View ArticleAnswer by David for Troublesome residual plot from linear mixed model
If perOOgivenP has too many zeroes, it may cause the coefficients fails to NA. It can be a big problem. Even if you get the fitting values, it may not be accurate. You need to show more information...
View ArticleAnswer by Peter Ellis for Troublesome residual plot from linear mixed model
By "biased" you presumably mean that there is some non-linear structure left in the residuals. It's by no means obvious to me that this is the case here. Before leaping to any conclusions - and...
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Troublesome residual plot from linear mixed model
I have fitted the following linear mixed model based on the results of an economic game: lmer(TotalScore~perOOgivenP+Game+(1|Subject),REML=T,data=mdl1table)->m1 TotalScore is a integer. perOOgivenP...
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