as_data_frame           Coerce a 'fr_tdr' object into a data frame
as_fr_field             Coerce 'character', 'factor', 'numeric',
                        'logical', and 'Date' vectors into 'fr_field'
                        objects
as_fr_tdr               Coerce a data frame into a 'fr_tdr' object
as_list                 Coerce a 'fr_tdr' object into a list
dplyr_methods           dplyr methods for fr_tdr objects
is_fr_field             Test if an object is a 'fr_field' object
read_fr_tdr             read a tabular-data-resource into R
update_field            add or update field-specific metadata in a
                        fr_tdr object
write_fr_tdr            write a fr_tdr object to disk
