All Questions
8 questions
2
votes
2
answers
97
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lmer analysis for 58 people 4 timepoints, advice on setting the model
I’m looking for some advice on analysing this data. I think I need a multilevel model.
I have 58 participants measured progesterone and a factor at 4 timepoints. I would like to do a model to see how ...
- 121
2
votes
1
answer
1k
views
Mixed effects logistic regression type model in R - GLMER problems
I'm doing a project where I have students listen to 7 stimuli (all students listen to the same 7), and then say for each one whether that stimuli sounds more like PALM or TRAP. There are two groups of ...
Micha
2
votes
1
answer
2k
views
Mixed effects model adding covariate vs adding random effect
I am currently looking into mixed effect models and I am trying to understand the difference between adding a random effect and adding a covariate to a linear model.
Consider this example:
...
- 27
1
vote
0
answers
42
views
multilevel model specification
We had participants complete a virtual maze. We showed the participants the correct path through the maze, then had them complete the maze 10 times. The maze consisted of 15 decision points, which are ...
- 65
4
votes
1
answer
357
views
Linear mixed effect model : formula and difference between random effect and within subject effect
I want to explain the variablity of my continuous dependent variable a with two independent variables:
one between subjects variable ...
- 65
3
votes
0
answers
1k
views
Generalized Linear Mixed Effects Logistic Regression with Repeated Measures
I have an experiment where subjects reported multiple results (binary) in two treatments. I have compared each subject separately to see if the treatment had an effect on a given subject, but would ...
- 83
2
votes
1
answer
4k
views
How to build a Generalized Linear Mixed Model with repeated measures in R
I am trying to analyze a dataset where I have individuals from 3 different species (essentially 3 'treatments'), and I score each individual on a cognitive test once per day, for 10 days. Essentially, ...
- 21
2
votes
0
answers
130
views
How to model a multiplicative effect of a parameter
I am having difficulty in fitting a model on data. Basically, I have data about the evaluation of phenotypic property (i.e. hard) of 65 palm trees by 5 judges. As an evaluation scheme, each judge ...
- 21