| cdb_id {Rcompadre} | R Documentation |
Create integer identifiers for a COM(P)ADRE database corresponding to unique combinations of a given set of columns
Description
Creates a vector of integer identifiers corresponding to the rows of a CompadreDB object, based on unique combinations of the elements in a given set of columns.
Usage
cdb_id(cdb, columns)
Arguments
cdb |
A CompadreDB object |
columns |
Vector of column names from which unique combinations should be identified |
Details
Identifiers are assigned by pasting together the relevant columns, assigning factor levels based on alphabetical order, and then converting the factor levels to integers.
Value
Vector of integer identifiers corresponding to the rows of
cdb, based on unique combinations of the elements in columns.
Author(s)
Patrick Barks <patrick.barks@gmail.com>
See Also
Other data management:
cdb_flatten(),
cdb_id_stages(),
cdb_id_studies(),
cdb_mean_matF(),
cdb_rbind(),
cdb_unflatten(),
cdb_unnest(),
mpm_mean(),
mpm_median(),
mpm_sd(),
string_representation
Examples
cdb_id(Compadre, columns = c("SpeciesAuthor", "MatrixTreatment"))