def_columns {rmacrostrat} | R Documentation |
A function to retrieve the definitions for Macrostrat columns. By default, all definitions are returned.
def_columns(
column_id = NULL,
column_group_id = NULL,
column_name = NULL,
project_id = NULL,
status = NULL
)
column_id |
|
column_group_id |
|
column_name |
|
project_id |
|
status |
|
A data.frame
containing the following columns:
col_id
: The unique identification number for the column.
col_group_id
: The unique identification number of the group to
which the column belongs.
col_name
: The name of the column.
lat
: Latitude of the centroid of the column.
lng
: Longitude of the centroid of the column.
col_area
: Area of the Macrostrat column,
in km2.
max_thick
: Maximum unit thickness in meters.
ref_id
: The unique identification number for the reference
associated with the column.
status
: Indicates the current status of the column (values are
'active', 'in process', and 'obsolete').
t_units
: Total number of Macrostrat units contained within the
column.
project_id
: The unique identification number for the column's
project. Corresponds to general geographic region.
notes
: Column specific notes.
William Gearty
Christopher D. Dean
Macrostrat data entities:
get_age_model()
,
get_columns()
,
get_sections()
,
get_units()
# Return all column definitions
ex1 <- def_columns()
# Return subsets of column definitions
ex2 <- def_columns(column_group_id = 17)
ex3 <- def_columns(column_id = c(22,24))
ex4 <- def_columns(column_name = "Eastern Kentucky")