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rice (version 1.1.1)

F14CtoC14: Calculate C14 ages from F14C values.

Description

Calculate C14 ages from F14C values of radiocarbon dates.

Usage

F14CtoC14(F14C, er = NULL, decimals = 8, lambda = 8033)

Value

The radiocarbon ages from the F14C values. If F14C values are above 100%, the resulting radiocarbon ages will be negative.

Arguments

F14C

Reported mean of the F14C

er

Reported error of the F14C. Returns just the mean if left empty.

decimals

Amount of decimals required for the radiocarbon age. Quite sensitive, defaults to 8.

lambda

The mean-life of radiocarbon (based on Libby half-life of 5568 years)

Details

Post-bomb dates are often reported as F14C (between 0 at c. 55 kcal BP and 1 at c. AD 1950). Since software such as Bacon expects radiocarbon ages, this function can be used to calculate radiocarbon ages from F14C values. The reverse function is age.F14C.

Examples

Run this code
  F14CtoC14(1.10, 0.5) # a postbomb date, so with a negative C14 age
  F14CtoC14(.80, 0.5) # prebomb dates can also be calculated

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