cdb_id_studies {Rcompadre} | R Documentation |
Creates a vector of integer study identifiers corresponding to the rows of a CompadreDB object, based on unique combinations of the columns 'Authors', 'Journal', 'YearPublication', and 'DOI_ISBN' (or optionally, a different set of columns supplied by the user).
cdb_id_studies(
cdb,
columns = c("Authors", "Journal", "YearPublication", "DOI_ISBN")
)
cdb |
A CompadreDB object |
columns |
Vector of column names from which unique combinations should
be identified. Defaults to |
Identifiers are assigned by pasting together the relevant columns, assigning factor levels based on alphabetical order, and then converting the factor levels to integers.
Vector of integer study identifiers corresponding to the rows of
cdb
, based on unique combinations of the elements in columns
.
Patrick Barks <patrick.barks@gmail.com>
Other data management:
cdb_flatten()
,
cdb_id_stages()
,
cdb_id()
,
cdb_mean_matF()
,
cdb_rbind()
,
cdb_unflatten()
,
cdb_unnest()
,
mpm_mean()
,
mpm_median()
,
mpm_sd()
,
string_representation
Compadre$StudyID <- cdb_id_studies(Compadre)