Dealing with outliers and offsets in radiocarbon dating
We also show that 5 of 9 Holocene Southern Hemisphere data sets are capable of yielding reliable offset information.
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New methods are presented for the treatment of outliers, where the problems lie principally with the context rather than the radiocarbon measurement.
There is also a full treatment of outlier analysis for samples which are all of the same age which takes account of the uncertainty in the calibration curve.
The accuracy and robustness of this approach is confirmed by wiggle-matching known-calendar age sequences of the Southern Hemisphere calibration curve SHCal04 against the Northern Hemisphere curve Int Cal04.
We appreciate support from Robert Spengler (Max Planck Institute for the Science of Human History) and Fengshi Luan (Shandong University).
Thanks are also extended to colleagues at Poznan Radiocarbon Laboratory, Shandong Institute of Cultural Relics and Archaeology, and Yantai Museum.
The use of Bayesian statistics for the analysis of groups of dates is becoming a common way to integrate all of the radiocarbon evidence together.
However, the models most often used make a number of assumptions which may not always be appropriate.
2015CB953803), Shandong University and the National Social Science Fund of China (grant no.