{"id":"W2890602779","doi":"10.1016/j.jasrep.2018.08.033","title":"Radiocarbon dating legacy collections: A Bayesian analysis of high-precision AMS 14C dates from the Par-Tee site, Oregon","year":2018,"lang":"en","type":"article","venue":"Journal of Archaeological Science Reports","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Alberta","funders":"National Museum of Natural History; Royal Society; Pennsylvania State University; Smithsonian Institution; National Science Foundation","keywords":"Radiocarbon dating; Chronology; Archaeology; Accelerator mass spectrometry; Midden; Geology; Historic site; Geography","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.002003476,0.0003145549,0.0002941688,0.001982558,0.001337272,0.001359524,0.001138613,0.0003227985,0.002915024],"category_scores_gemma":[0.004204805,0.0004799119,0.0004542131,0.002342177,0.000412181,0.0006123235,0.001196026,0.0004683676,0.0006219039],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008939676,"about_ca_system_score_gemma":0.00167824,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.1267804,"about_ca_topic_score_gemma":0.3326255,"domain_scores_codex":[0.9992765,0.0001296345,0.0000689305,0.0002112583,0.0002196443,0.00009403057],"domain_scores_gemma":[0.9983753,0.0003587072,0.0003598574,0.0003046207,0.0005134068,0.00008807202],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002572017,0.0001785408,0.9377016,0.00005016752,0.0003642162,0.0001735355,0.001003199,0.001568435,0.003700274,0.0004238485,0.001500729,0.05307826],"study_design_scores_gemma":[0.00002844213,0.00003220783,0.986761,0.00003710707,0.0002522109,0.0001340828,0.001045673,0.005777469,0.0008523609,0.0002769646,0.004783127,0.00001948833],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9868122,0.00013785,0.00410997,0.00009827942,0.000005811708,0.00005985317,0.006547477,0.00004364768,0.002185027],"genre_scores_gemma":[0.9711643,0.0003171756,0.009835429,0.00004480605,0.00001411487,0.00007669101,0.01545808,0.0001040672,0.002985287],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1267804,"threshold_uncertainty_score":0.2520849,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01200090812053028,"score_gpt":0.2327608294510092,"score_spread":0.2207599213304789,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}