create_rollup_tree      Create a tree for use with 'rollup()'
default_validate_dag    Validate a directed acyclic graph for use with
                        rollup
default_validate_tree   Validate a tree for use with 'rollup()'
df_get_by_id            Get property by key "id" from data frame
df_get_by_key           Get row by key "id" from data frame
df_get_ids              Get ids from a data frame
df_get_keys             Get keys from a data frame
df_get_row_by_id        Get row by key from data frame
df_get_row_by_key       Get row by key from data frame
df_set_by_id            Set property by key "id" in data frame
df_set_by_key           Set property by key in data frame
df_set_row_by_id        Set row by key "id" in data frame
df_set_row_by_key       Set row by key in data frame
fault_table             Example Fault Tree Data
fault_tree              Example Fault Tree
rollup                  Perform recursive computation
test_dag                Example Directed Acyclic Graph
update_df_prop_by_id    Update a property in a data frame with key "id"
update_df_prop_by_key   Update a property in a data frame
update_prop             Update a data set with recursively-defined
                        properties
update_rollup           Update a rollup from a single leaf vertex
validate_df_by_id       Validate a data frame with key "id" for
                        'rollup()'
validate_df_by_key      Validate a data frame For 'rollup()'
validate_ds             Validates a data set for use with 'rollup()'
wbs_table               Example Work Breakdown Structure Data
wbs_table_rollup        Example Work Breakdown Structure Data After
                        Rollup
wbs_tree                Example Work Breakdown Structure Data
