cal()
constructs a generic representation of a calibrated radiocarbon date
or other calendar-based probability distribution.
A data.frame
with two columns, with calendar years and associated probabilities.
(Optional) character
. Calendar system used. Default: cal BP
.
(Optional) character
. Lab code or other label for the calibrated sample.
(Optional) integer
. Uncalibrated conventional radiocarbon age (CRA) of the sample.
(Optional) integer
. Error associated with the uncalibrated sample.
(Optional) character
. Atmospheric curve used for calibration, e.g. "intcal20".
(Optional) integer
. Marine reservoir offset used in the calibration, if any.
(Optional) integer
. Error associated with the marine reservoir offset.
(Optional) integer
vector of length 2. The range of years over which the calibration was performed, i.e. c(start, end)
.
(Optional) logical
. Whether the calibration was calculated using F14C values instead of the CRA.
(Optional) logical
. Whether the calibrated probability densities were normalised.
(Optional) numeric
. Lower threshold beyond which probability densities were considered zero.
(Optional) Arguments based to other functions.
cal
object: a data frame with two columns, year
and p
, representing
the calibrated probability distribution. All other values are stored as
attributes and can be accessed with cal_metadata()
.
Other tidy radiocarbon functions:
c14_calibrate()
,
c14_sum()
Other functions for working with cal
objects:
as.CalDates.cal()
,
as_cal()
,
cal_metadata()