Can I use a nominal factor as a random effect (nested within subject) using Mixed Models?
Using the Mixed Model personality when I try to use a nominal factor (nested within participant) it will not allow me specificy the effect as random (e.g., "nest random coefficients"). It gives me the following error: "Effect id cannot be in a Group. Outside of the nesting, no non-continuous terms allowed in a group."If I do the same analysis in Fir Model, and define subject as random, I am able t...
