Tagged Questions
2
votes
1answer
65 views
Prediction on mixed effect models: what to do with random effects?
Let's consider this hypothetical dataset:
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1
vote
1answer
71 views
How to extract/compute leverage and Cook's distances for linear mixed effects models
Does anyone know how to compute (or extract) leverage and Cook's distances for a mer class object (obtained through lme4 ...
0
votes
0answers
36 views
Linear mixed model estimated means
I am trying to determine how to get SPSS (19.0) to give out estimated means for my interaction. To preface, my analysis has 3 groups (group a, b and c) and each group was measured at 5 time points. We ...
2
votes
1answer
69 views
Reference needed - Who first introduced linear models, fixed and random effects models?
I am writing an essay which briefly discusses linear models as well as models with fixed and random effects. I am googling since ages to find a reference which says who first introduced linear models ...
3
votes
2answers
158 views
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
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1
vote
1answer
386 views
Categorical fixed effect w/ 3 levels in LMER
I have a categorical fixed effect with 3 levels that I'm trying to enter into an LME.
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7
votes
2answers
303 views
How to explain linear mixed models to laypeople?
I need to explain the concept of linear mixed models in an article targeted at a mainstream audience. Is there a way of communicating the gist of the concept in a sentence or two?
