| add_flowmap | Add a flow map to a ggplot | 
| add_flowmap_list | Add a list of flow maps to a ggplot, creating a list of plots | 
| cantons | cantons | 
| CH_migration_data | CH_migration_data | 
| flowmap_sf | Export flow edges and nodes as simple features. | 
| get_circle_coords | Helper function to create coordinates for circles of nodes | 
| hca_flowdat | Use hierarchical clustering to merge nodes based on proximity | 
| prep_flowmap | prep_flowmap | 
| short_scale | Create short scale format for numbers in the legend | 
| util_data_flow_to_flowdat | util_data_flow_to_flowdat |