Skip to main content

All Questions

6 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
9 votes
0 answers
2k views

When and why do I have to use "trait" for multinomial multilevel models with MCMCglmm in R?

I want to estimate a multilevel multinomial logit model but I am struggling with the terminology and notation used by the R-package MCMCglmm. There is documentation ...
non-numeric_argument's user avatar
3 votes
0 answers
893 views

Assumptions of Linear Mixed Model

I had data with repeated measurement and nested design. Conventional ANOVA requires strict control on homogeneity of variance and repeated measurement ANOVA requires assumption of sphericity. Multi-...
Kam's user avatar
  • 95
2 votes
0 answers
33 views

How to fit a GLMM with multiple levels of nesting

I have some data I am struggling to process at the moment. I have landed on using generalized linear mixed models (GLMMs), but I am having a very hard time wrapping my head around it. I have a large ...
Joseph's user avatar
  • 21
1 vote
0 answers
63 views

GLMM mixed models. Binary data with only one positive outcome possible

I am studying letality in cardio-vascular events. My outcome is binary (death at 1 month) for each event. My patients can have multiple cardiovascular events but obvioulsy only one of them can lead to ...
Jason Shourick's user avatar
0 votes
0 answers
49 views

Interpreting results from a glmm (lmer) with multilevel and interaction fixed variables

I am running my GLMMs on R to test whether the effect of breed on the acoustic parameters of meows is dependent on sex levels (sex*breed) and to test whether the ...
Alice 's user avatar
0 votes
1 answer
26 views

Inference for overall population parameters with multilevel models

I have a dataset that it is clearly need a multilevel model approach -observations from different regions-. However, I am not interesting in population parameters of regions, but overall parameters ...
yer's user avatar
  • 125