Get/set the Identifier of the object.Source:
Add the optional Identifier property as an attribute to an R object.
An R object, such as a data.frame, a tibble, or a data.table.
If the attributes should be overwritten. In case it is set to
FALSE, it gives a message with the current
Identifierproperty instead of overwriting it. Defaults to
TRUEwhen the attribute is set to
valueregardless of previous setting.
Identifieras a character string.
Identifier is an unambiguous reference to the resource within a given context.
Recommended practice is to identify the resource by means of a string conforming to an
identification system. Examples include International Standard Book Number (ISBN),
Digital Object Identifier (DOI), and Uniform Resource Name (URN).
Select and identifier scheme from
registered URI schemes maintained by IANA.
More details: Guidelines for using resource identifiers in Dublin Core metadata and IEEE LOM.
It is not part of the "core" Dublin Core terms, but we always add it to the metadata attributes of a dataset (in case you use a strict Dublin Core property sheet you can omit it.) Dublin Core metadata terms.