All Questions
5 questions
3
votes
0
answers
50
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Do these graphs show normality of model residuals? [closed]
I have a linear mixed-effects model (lme4 R package) and I am trying to work out whether the model residuals meet the assumption of normality. However, by looking at the graphs below (model residuals ...
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2
votes
0
answers
384
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What kind of residuals should we test for linear mixed-effects models (LMER)?
I'm on a journey trying to get my mind around the normality of residuals assumption for linear mixed-effects models, this is a FOLLOW-UP POST
While studying to better understand what I could do to ...
- 843
3
votes
3
answers
2k
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Lmer violating residuals' normality assumption: What should I do? When "enough data" is enough?
I'm trying to plot the following lmer:
mod1 <- lmer(SCORE ~ X1_c * X2 + (1|PARTICIPANT), data = data)
With THIS dataset. (this is a Git link)
However, I can't ...
- 843
5
votes
1
answer
1k
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Dealing with heavy-tailed residuals when fitting hierarchical linear models using lme4
This is my first time posting, so please excuse any issues with respect to my description of the problem and the presentation of the data and code I have supplied.
Summary of the Design
30 listeners ...
1
vote
1
answer
1k
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Shapiro-Francia test error
I'm trying to run a normality test on the residuals after fitting a mixed-effect model (with lmer). I read that the Shapiro-Francia test can deal with data with more than 5000 observations (I have ...
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