Radiocarbon dating oxcal
The final outcome was that Doug accepted what Radford and Nullius said about how the sample measurement should be interpreted as probability, with the implication that his criticism of the calibration method is invalid.
However, as I had told Doug originally, I think his criticism of the Ox Cal and Calib calibration methods is actually valid: I just think that imperfect understanding rather than misconduct on the part of Bronk Ramsey (and of other radiocarbon calibration experts) is involved.
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Ox Cal is perhaps the most powerful of the three main Bayesian age-depth modelling procedures, with many many options and the potential for building far more complicated than your typical palaeolimnologist needs to use. Much as I want to use Ox Cal, I also want to use R.
Carbon-12 accounts for ~99.8 % of all carbon atoms, carbon-13 accounts for ~1% of carbon atoms while ~1 in every 1 billion carbon atoms is carbon-14.Steve Mc Intyre and others opined that an allegation of misconduct was inappropriate in this sort of case, and likely to be counter-productive. Nevertheless, the post prompted an interesting discussion with statistical expert Professor Radford Neal of Toronto University and with Nullius in Verba (an anonymous but statistically-minded commentator).They took issue with Doug’s claims that the statistical methods and resulting probability densities (PDFs) and probability ranges given by Ox Cal and Calib are wrong.Hereafter these isotopes will be referred to as 12C, 13C, and 14C.14C is radioactive and has a half-life of 5730 years.