Package index

Radiocarbon measurements

Functions for working with uncalibrated radiocarbon measurements

c14_age_norm()

Generate the normal distribution of a radiocarbon age

c14_age() c14_f14c()

Radiocarbon unit calculations

c14_decay_libby c14_decay_cambridge

Radiocarbon decay constants

Radiocarbon calibration

Functions for calibrating radiocarbon determinations to a calendar timescale

c14_calibrate()

Calibrate radiocarbon dates

cal()

Calibrated radiocarbon dates

as_cal_dist()

Convert a foreign object to a cal_dist object

cal_dist()

Calendar probability distribution

Calibration curves

Data, classes and functions for radiocarbon calibration curves

IntCal20 SHCal20 Marine20 IntCal13 SHCal13 Marine13 IntCal09 Marine09 IntCal04 SHCal04 Marine04 IntCal98 Marine98

Radiocarbon calibration curves

c14_curve() c14_fcurve()

Radiocarbon calibration curve class

read_14c()

Read calibration curve files

Summarise calibrated dates

Functions for summarising calibrated radiocarbon determinations

cal_hdr() cal_hdi()

Highest Density Region and Highest Density Interval

cal_mode() cal_median() cal_mean() cal_local_mode() cal_central()

Point estimates of calibrated radiocarbon dates

cal_probability()

Probability that a calibrated date falls within an age range

Aggregate calibrated dates

Functions for aggregating calibrated radiocarbon determinations

cal_density() density(<c14_cal>)

Kernel density estimation of calendar probability distributions

cal_sum() sum(<c14_cal>)

Sum calendar probability distributions

Tidy radiocarbon metadata

Functions for tidying metadata associated with radiocarbon determinations

c14_control_lab_id()

Control radiocarbon laboratory identifiers

c14_control_material()

Control radiocarbon sample materials

c14_fix_lab_id() c14_is_lab_id()

Detect and fix malformed radiocarbon laboratory identifiers

c14_parse_lab_id()

Parse radiocarbon laboratory identifiers

c14_lab_code_thesaurus

Radiocarbon laboratory code thesaurus

c14_labs

Radiocarbon laboratories

c14_material_thesaurus

Radiocarbon sample material thesaurus

Plotting

Plotting radiocarbon data

plot(<c14_cal>)

Plot calibrated radiocarbon dates

Example data

Example datasets included with the package

ppnd

Radiocarbon dates from Neolithic Southwest Asia

shub1_c14

Radiocarbon dates from Shubayqa 1