Visreg package : Legend to large and 3 ways-interactions possible ?
The reproducible example is below.
I am trying to use the visreg package for 2 ways-interactions and for 3 ways-interactions.
For 2 ways-interactions, everything goes fine except that the legend on the top (2.HS Grad ; 3. Some College ; 4. College Grad) is not entire/complete, because written too large, I would like to make it smaller to be able to read the entire legend. Is it possible ?
My 2nd question: I am wondering if it is possible to plot 3 ways-interactions using visreg : "year" ; "age"; "education" ?