My confusion is depicted in the picture below:

-
Login or Register
- Log in with
* A two-level model, with a random effect for level2_id mixed y fe_equation || level2_id : * A three-level model, with random effects for level2_id nested within a level3_id mixed y fe_equation || level3_id : || level2_id : * Two-way crossed random effects mixed weight week || _all: R.id || _all: R.week
Comment