efc                     Sample dataset from the EUROFAMCARE project
get_title               Get titles and labels from data
ggeffect                Marginal effects and estimated marginal means
                        from regression models
new_data                Create a data frame from all combinations of
                        predictor values
plot                    Plot ggeffects-objects
pretty_range            Create a pretty sequence over a range of a
                        vector
values_at               Calculate representative values of a vector
vcov                    Calculate variance-covariance matrix for
                        marginal effects
