All Questions
5 questions
1
vote
1
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61
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How does the REML fitting procedure know when a predictor is nested
Consider an experiment with two categorical predictors, A and B, where the levels of B are nested within those of A, and thus described by the following design information:
A
B
1
1
1
1
1
2
1
2
2
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- 403
6
votes
1
answer
2k
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How do I analyze bimodal distibuted data with a linear mixed model
The experiment I am working on has the following design:
A B C D E F
B A D E F C
A B E F C D
B A F C D E
Each Letter represents a different level of the single factor called “...
1
vote
0
answers
28
views
Hierarchical linear model in the context of an experiment
In an experimental study, I randomly assign participants to one of two conditions: Condition A (which they read Text A), and Condition B (in which they read Text B). After reading their assigned text, ...
- 33
2
votes
2
answers
2k
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mixed effects and lme4: Do I need nesting?
I am analyzing data from a field experiment, and I am interested in the effects of fauna and altitude (fixed). Altitude has two levels, and at each site I have 5 blocks for the three levels of fauna (...
2
votes
0
answers
98
views
Syntax for unbalanced block design with nesting?
I am trying to run a model in which I have site as a blocking factor, and two layers of nested random effects due to sub-sampling.
The nesting layers are -> plant[flower[robbing status]].
My response ...
- 805