crucial_lbk             Crucial 'loanbook' columns for 'match_name()'
match_name              Match a loanbook and asset-level datasets (ald)
                        by the name_* columns
prioritize              Pick rows where 'score' is 1 and 'level' per
                        loan is of highest 'priority'
prioritize_level        Arrange unique 'level' values in default order
                        of 'priority'
