Radiocarbon Equations


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Documentation for package ‘rice’ version 1.4.0

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rice-package rice: Radiocarbon Equations
adjust.background Adjust a radiocarbon age for background measurements
adjust.fractionation Adjust a radiocarbon age for fractionation
age.F14C To be deprecated. Use C14.F14C instead
age.pMC To be deprecated. Use C14topMC instead.
as.bin Combine multiple radiocarbon dates within bins
as.one Combine multiple radiocarbon dates assuming they belong to the same single year
b2ktoBCAD calculate cal BC/AD ages from b2k ages
b2ktoC14 Find the 14C age and error belonging to a b2k age.
b2ktocalBP calculate cal BP ages from b2k ages
b2ktoDelta14C Find the Delta14C and error belonging to a b2k age.
b2ktoF14C Find the F14C and error belonging to a b2k age.
b2ktopMC Find the pMC and error belonging to a b2k age.
BCADtob2k calculate b2k from cal BC/AD ages
BCADtoC14 Find the 14C age and error belonging to a cal BC/AD age.
BCADtocalBP calculate cal BP ages from cal BC/AD ages
BCADtoDelta14C Find the Delta14C and error belonging to a cal BC/AD age.
BCADtoF14C Find the F14C and error belonging to a cal BC/AD age.
BCADtopMC Find the pMC and error belonging to a cal BC/AD age.
C14tob2k Find the b2k age(s) crossing a C14 age.
C14toBCAD Find the cal BCAD age(s) crossing a C14 age.
C14tocalBP Find the calBP age(s) crossing a C14 age.
C14toDelta14C Transform C14 age(s) into Delta14C
C14toF14C Calculate F14C values from C14 ages
C14topMC Calculate pMC values from C14 ages
calBPtob2k calculate b2k ages from cal BP ages
calBPtoBCAD calculate cal BC/AD ages from cal BP ages
calBPtoC14 Find the 14C age and error belonging to a cal BP age.
calBPtoDelta14C Find the Delta14C and error belonging to a cal BP age.
calBPtoF14C Find the F14C and error belonging to a cal BP age.
calBPtopMC Find the pMC and error belonging to a cal BP age.
caldist Calculate calibrated distribution
calib.t Comparison dates calibrated using both the t distribution (Christen and Perez 2009) and the normal distribution.
calibrate Plot individual calibrated dates.
clean Simulate removing contamination from a radiocarbon age
contaminate Simulate the impact of contamination on a radiocarbon age
coverage coverage of one distribution by another
CtoF Calculate F14C values from C14 ages
Delta14CtoC14 Transform Delta14C into C14 age
Delta14CtoF14C Transform Delta14C into F14C
Delta14CtopMC Transform Delta14C into pMC
draw.ccurve Draw a calibration curve.
draw.CF Draw the asymmetric relationship between 14C and F14C
draw.contamination Draw contamination impacts
draw.dates add calibrated distributions to a plot.
draw.Delta14C Draw Delta14C and the calibration curve.
F14C.age To be deprecated. Calculate C14 ages from F14C values.
F14CtoC14 Calculate C14 ages from F14C values.
F14CtoDelta14C Transform F14C into Delta14C
F14CtopMC Calculate pMC ages from F14C values.
find.shells Find nearby shell-derived dR values
fractions Estimate a missing radiocarbon age from fractions
fromto translate between timescales
FtoC Calculate C14 ages from F14C values.
howmanyC14 Amount of C14 particles in a sample
hpd Calculate highest posterior density
hpd.overlap Check whether hpds of two distributions overlap
l.calib Find the calibrated probability of a calendar age for a 14C date.
map.shells Plot regional shell-derived dR values
muck Calculate the amount of muck/contamination to explain an observed C14 age
older Find the probability of a calibrated date being older than a certain age
overlap The overlap between calibrated C14 dates
p.range Probability of a date lying within a cal BP range
pMC.age To be deprecated. Use pMCtoC14 instead.
pMCtoC14 Calculate C14 ages from pMC values.
pMCtoDelta14C Transform pMC into Delta14C
pMCtoF14C Calculate pMC ages from F14C values.
point.estimates Calculate a point estimate
pool Test if a set of radiocarbon dates can be combined
push.gamma Add a gamma distribution to a calibrated date
push.normal Add a normal distribution to a calibrated date
r.calib return a random calendar age from a calibrated distribution
shells shells Data
shells.mean Plot and summarize the dR values
shroud shroud Data
smooth.ccurve Smooth a calibration curve
smooth.curve Smooth a calibration curve
span The time span between two calibrated dates
spread The spread among calibrated dates
weighted_means Calculate the weighted mean of C14 ages
younger Find the probability of a calibrated date being of a certain age or younger than it