def_timescales {rmacrostrat} | R Documentation |
Define timescales
Description
A function to retrieve all timescale definitions from the Macrostrat database. Function is called without user-specified arguments.
Usage
def_timescales()
Value
A data.frame
containing the following columns:
-
timescale_id
: The unique identification number of the timescale. -
timescale
: The name of the timescale. -
n_intervals
: The number of intervals within the timescale. -
max_age
: The maximum age coverage of the timescale in millions of years before present. -
min_age
: The minimum age coverage of the timescale in millions of years before present. -
ref_id
: The unique identification number of the associated reference.
Developer(s)
Lewis A. Jones
Reviewer(s)
Christopher D. Dean
See Also
Timescales and time intervals:
def_intervals()
Examples
# Retrieve all timescale definitions
ex1 <- def_timescales()
[Package rmacrostrat version 0.0.2 Index]