Charles Eliot Timothy Paine (University of Stirling) writes:
When used to make interaction plots, visreg plots regression lines and confidence intervals beyond the region of support of the data...[reference to an attached plot in which this does not happen]...I suggest that you make this the default behaviour for visreg. Or, at the least, I would ask that you give users the option to trim their predictions to the region of the data.
Charles Eliot Timothy Paine (University of Stirling) writes: