as_character            Coerce a defined vector to character
as_datacite             Create a Bibentry Object with DataCite Metadata
                        Fields
as_dublincore           Add or Retrieve Dublin Core Metadata
as_factor               Coerce a defined vector to a factor
as_numeric              Coerce a defined vector to numeric
bibrecord               Create a Modern Metadata Object Compatible with
                        bibentry
bind_defined_rows       Bind strictly defined rows
c.haven_labelled_defined
                        Combine defined vectors with metadata checks
contributor             Get or set contributors
creator                 Get/set the Creator of the object.
dataset_df              Create a new 'dataset_df' object
dataset_format          Get or set the technical format of a dataset
dataset_title           Get or Set the Title of a Dataset
dataset_to_triples      Dataset to triples (three columns or N-Triples)
defined                 Create a semantically well-defined, labelled
                        vector
describe                Describe a dataset in N-Triples format
description             Get or set the dataset Description
gdp                     A Small GDP Dataset
geolocation             Get or Set the Geolocation of a Dataset Object
get_bibentry            Get or set the bibentry
get_variable_concepts   Get concepts for all variables in a dataset_df
id_to_column            Add Identifier to First Column of a Dataset
identifier              Get or Set the Identifier of a Dataset or
                        Metadata Record
language                Set the Primary Language of a Dataset
n_triple                Create an N-Triple
n_triples               Create N-Triples
orange_df               Growth of Orange Trees
provenance              Get or update provenance information
publication_year        Get or Set the Publication Year of a Dataset
                        Object
publisher               Get or Set the Publisher of a Dataset Object
relation                Add or retrieve related items (DataCite/Dublin
                        Core)
rights                  Get or Set the Rights of a Dataset Object
strip_defined           Strip the class from a defined vector
subject                 Create, add, or retrieve a subject
var_concept             Get / set a concept definition for a vector or
                        a dataset
var_label               Get or Set a Variable Label
var_labels              Get or set all variable labels on a dataset
var_namespace           Get or Set the Namespace of a Variable
var_unit                Get or Set a Unit of Measure
vec_cast.double.haven_labelled_defined
                        Cast defined vector to base numeric (double)
xsd_convert             Convert to XML Schema Definition (XSD) Types
