# Radiocarbon Equations

## Documentation for package ‘rice’ version 1.6.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

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.
age.range | Calculate age ranges
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.
calibratable | Make a table of calibrated dates
calibrate | Plot individual calibrated dates.
clean | Simulate removing contamination from a radiocarbon age
contaminate | Simulate the impact of contamination on a radiocarbon age
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.
howmuchC14 | 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