as_character            Coerce to character vector
as_numeric              Coerce a defined vector to numeric
creator                 Get/set the Creator of the object.
datacite                Create a bibentry object with DataCite metadata
                        fields
dataset_df              Create a new dataset_df object
dataset_title           Get/set the title of a dataset
dataset_to_triples      Dataset to triples (three columns)
defined                 Create a semantically well-defined, labelled
                        vector
description             Get/set the Description of the object.
dublincore              Add or get Dublin Core metadata
geolocation             Get/set the Geolocation of the object.
get_bibentry            Get/set the Bibentry of the object.
id_to_column            Add identifier to columns
identifier              Get/set the Identifier of the object.
iris_dataset            Edgar Anderson's Iris Data
language                Get/Set the primary language of the dataset
n_triple                Create an N-Triple
n_triples               Create N-Triples
provenance              Get or update provenance information
publication_year        Get/set the publication_year of the object.
publisher               Get/set the Publisher of the object.
rights                  Get/set the Rights of the object.
subject                 Create/add/retrieve a subject
var_definition          Get / set a definition for a vector or a
                        dataset
var_label               Get / Set a variable label
var_namespace           Get / Set a namespace of measure
var_unit                Get / Set a unit of measure
xsd_convert             Convert to XML Schema Definition (XSD) types
