Visualize the marginal effects of the model.

## Dialog

The effects of the variables in the 'Effect' list are plotted using the model, assuming that all other variables are set to thier typical values (i.e. their means).

**Point wise intervals** Plot the pointwise confidence intervals along with the mean effect.
**y-axis label** label for the y-axis of the plot
**Multiple lines per panel** If the effect is an interaction effect, should the interaction be ploted as multiple lines within a single panel, or as seperate panels.
**rug** small lines on the x-axis denoting the distribution of data points.
**# of levels** The number of levels for which the effect should be evaluated.