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Random Effects ANOVA with test for difference in variances

Say I have a study measuring a continuous endpoint for 3 sample assays on two days, i.e. before and after intervention. The measurements are performed several times by different people (repeated ...
karla's user avatar
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Am I violating assumptions of mixed effects model?

I am using a mixed effects model to analyse data, but am unsure whether I am committing any violations due to the nature of the data I have. My data comes from a game whereby people have to identify ...
Paul Scotti's user avatar
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165 views

ANOVA comparison of non-significant mixed models

I have two nested mixed models: the difference in these models is the presence of one predictor variable (type). I used lmerTest ...
Lisa's user avatar
  • 163
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35 views

Two stage model with a randomly transformed independent variable

Hi all and thank you in advance for helping! I have three variables: $y$ the dependent count variable, $x$ the independent positive continuous variable, $U$ is the observation unit (and I expect a ...
k-zar's user avatar
  • 335
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151 views

Age Interactions in mixed models

We are using a mixed model to describe trends as subjects age. We have multiple measurements per subject of a continuous outcome. We also adjust for the age at entry into the study. It is of ...
rjweyant's user avatar
  • 187
-1 votes
1 answer
83 views

Mixed Effects or other Model for Binary Interventions and Binary Outcome

I'm trying to understand the impact of 2 different binary interventions on the completion rate of around 10 courses. The courses all have different baseline completion rates. Intervention one was ...
elz's user avatar
  • 49

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