def_columns {rmacrostrat} | R Documentation |
Define Macrostrat columns
Description
A function to retrieve the definitions for Macrostrat columns. By default, all definitions are returned.
Usage
def_columns(
column_id = NULL,
column_group_id = NULL,
column_name = NULL,
project_id = NULL,
status = NULL
)
Arguments
column_id |
|
column_group_id |
|
column_name |
|
project_id |
|
status |
|
Value
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.
Developer(s)
William Gearty
Reviewer(s)
Christopher D. Dean
See Also
Macrostrat data entities:
get_age_model()
,
get_columns()
,
get_sections()
,
get_units()
Examples
# 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")