funnel_clean            A clean funnel plot theme
funnel_grey             A grey ggplot funnel theme
funnel_plot             Funnel plots for comparing institutional
                        performance
limits                  Funnel plot limits
outliers                Funnel plot outliers
phi                     dispersion ratio, phi, for Funnel plots
source_data             source data used to create Funnel plots
tau2                    between groups variance, tau^2, for Funnel
                        plots
