3
votes
2answers
378 views

Following up a three-way interaction found with (mixed) model comparison

I hope this isn't a silly question, I'd like some advice on following up a threeway interaction in a mixed effects model. I've been building my models incrementally, like this: ...
1
vote
2answers
315 views

Interaction term as a dependant variable in LMM with R

In a longitudinal study, two groups of subjects have been measured over a period of two years at 6 months intervals. During these measurements subjects have been assessed with a series of $k$ measures ...