identifier {dataset} | R Documentation |
Get/set the Identifier of the object.
Description
Add the optional Identifier property as an attribute to an R object.
Usage
identifier(x)
identifier(x, overwrite = TRUE) <- value
Arguments
x |
An |
overwrite |
If the attributes should be overwritten. In case it is set
to |
value |
The |
Details
The 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.
Similar to Identifier
in datacite
.
DataCite
4.4.
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.
Value
The Identifier
attribute as a character of length 1 is added
to x
.
See Also
Other Reference metadata functions:
description()
,
geolocation()
,
language
,
publication_year()
,
publisher()
,
rights()
Examples
identifier(orange_df)
orange_copy <- orange_df
identifier(orange_copy) <- "https://doi.org/99999/9999999"