create_start_event      Create a start event column.
geom_smooth_ci          Smooths and confidence intervals.
get_gam_predictions     Get predictions from a GAM model.
get_smooths_difference
                        Get difference of smooths from a GAM model
inter_df                Dataset with two factors
plot_difference         Plot difference smooth from a GAM.
plot_smooths            Plot GAM smooths.
pois_df                 Dataset with a Poisson outcome variable
predict_gam             Get predictions from a GAM model.
