| create_diff_df | Creates the 'empty_diff_df.csv' | 
| create_init_csv | Creates the 'init.csv' | 
| plot_parallel_trends | Plots parallel trends figures | 
| silo71 | Example merit data | 
| undid_date_formats | Shows valid date formats | 
| undid_stage_three | Computes UNDID results | 
| undid_stage_two | Runs UNDID stage two procedures |