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rcarbon (version 1.4.4)

Calibration and Analysis of Radiocarbon Dates

Description

Enables the calibration and analysis of radiocarbon dates, often but not exclusively for the purposes of archaeological research. It includes functions not only for basic calibration, uncalibration, and plotting of one or more dates, but also a statistical framework for building demographic and related longitudinal inferences from aggregate radiocarbon date lists, including: Monte-Carlo simulation test (Timpson et al 2014 ), random mark permutation test (Crema et al 2016 ) and spatial permutation tests (Crema, Bevan, and Shennan 2017 ).

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Install

install.packages('rcarbon')

Monthly Downloads

601

Version

1.4.4

License

GPL (>= 2)

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Repository

https://github.com/ahb108/rcarbon/

Maintainer

Enrico Crema

Last Published

July 21st, 2022

Functions in rcarbon (1.4.4)

Convert data to class UncalGrid.

Convert to a CalDates object

Bin sensitivity Plot

Computes the median date of each bin

Plot the median values of calibrated radiocarbon dates or bins

Binning function of radiocarbon dates.

Convert data to class CalGrid.

Convert BC/AD dates to BP format

SPpermTest-deprecated

Spatial Permutation Test of summed probability distributions.

Convert BP dates to BC/AD format

Combine multiple CalDates Class Objects into one.

Subset of EUROEVOL radiocarbon dates from Great Britain

Monte-Carlo simulation test for SPDs

Creates mixed calibration curves.

Radiocarbon dates from the EUROEVOL database

Plot a summed probability distribution

Gaussian weighting of dates relative to

Plot a summed probability distribution (from a CalGrid object)

Polygonal window of England and Wales

plot.SpdPermTest

Plot result of mark permutation test of SPDs

Rescale a numeric vector to a specified minimum and maximum

plot.SpdModelTest

Plot result of Monte-Carlo simulation of observed versus modelled SPDs

Calculate a running mean from a numeric vector.

Map the spatio-temporal intensity of a set of radiocarbon dates

Calibrate radiocarbon dates

Plot spdRC class objects

Plot multiple dates

Composite Kernel Density Estimates of Radiocarbon Dates

Point to point test of SPD

Computes the highest posterior density interval (HPDI) for calibrated dates

summary.SpdPermTest

Summarise a SpdPermTest class object

Sample random calendar dates

Plot map(s) of the spatio-temporal intensity of radiocarbon dates.

Smooth a numeric vector using a Gaussian window

rcarbon:Calibration and analysis of radiocarbon dates

rcarbon-deprecated

Deprecated functions.

Which indices for calibrated dates

Sampling function to select a maximum number of dates per site, bin or phase.

subset.CalDates

Subsetting calibrated dates

Stacked Summed Probability Distribution

Compute weights from distance matrix

plot.spatialTest

Plot results of the local spatial permutation test of summed probability distributions.

plot.compositeKDE

Plots a Composite Kernel Density Estimate of sampled radiocarbon dates.

Uncalibrate (back-calibrate) a calibrated radiocarbon date (or summed probability distribution).

Map the spatial intensity of a set of radiocarbon dates for a given focal year.

Radiocarbon dates for the Eastern Mediterranean around the Younger Dryas

Apply taphonomic corrections or other transformations to an SPD.

Spatial Permutation Test of summed probability distributions.

Computes the median date of calibrated dates

Random mark permutation test for SPDs

Plot calibrated dates

Computes rates of change from SPDs

summary.SpdModelTest

Summarise a SpdModelTest class object

Summed probability distributions (SPD) of radiocarbon dates.

Combine radiocarbon ages from the same event.

summary.CalDates

Summarise a CalDates class object

plot.stackCalSPD

Plot a stack of SPDs