| min_possible_prevalence | Show minimum possible prevalence given the test characteristics | 
| plot_cutoff | plot_cutoff Create a cutoff plot, showing the healthy and sick distributions, and the consequences of different cutoff points | 
| PPV_diagnostic_vs_screening | Plot PPV values for a diagnostic and a screening group | 
| PPV_heatmap | Plot PPV and NPV heatmaps | 
| remove_layers_cutoff_plot | remove_layers_cutoff_plot Remove layers from a cutoff plot. This is useful to show how different things are calculated (e.g. Sensitivity) |