All Questions
3 questions
1
vote
1
answer
2k
views
Sample size calculation for linear mixed-effect models without data
I would like to know how to do a sample size calculation without data/simulation for mixed-effect models.
To briefly explain my research, I want to investigate which method (A or B) is more effective ...
1
vote
0
answers
754
views
How to interpret effect sizes in simr power simulation for mixed models?
I am conducting a power analysis for linear mixed models. I want to know what sample size is needed to find a specific effect size for an interaction. I am testing the interaction effect by comparing ...
1
vote
0
answers
387
views
Retrospective power analyis of lmer for sample size
I'm an MSc student doing an assignment where I am asked to analyze and write up a report on a dataset on environmental enrichment in zebra finches. Among other things we are being asked to do a ...