{"id":"W2038116817","doi":"10.1016/j.jas.2009.10.004","title":"How reliable are our published archaeometric analyses? Effects of analytical techniques through time on the elemental analysis of obsidians","year":2009,"lang":"en","type":"article","venue":"Journal of Archaeological Science","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":30,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University","funders":"","keywords":"Homogeneity (statistics); Elemental analysis; Homogeneous; Geology; Mineralogy; Archaeology; Chemistry; Geography; Mathematics; Statistics","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":"codex-gemma-dda1882f352a","candidate_categories":["sts"],"consensus_categories":[],"category_scores_codex":[0.001770078,0.0001760823,0.000676929,0.0007387135,0.0002753072,0.00002172096,0.001086809,0.0000728038,0.000212694],"category_scores_gemma":[0.001438346,0.00008791131,0.000363177,0.00431541,0.002788259,0.0004584265,0.0001830089,0.0003561256,0.000004380052],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002469935,"about_ca_system_score_gemma":0.00004304699,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005170204,"about_ca_topic_score_gemma":0.00002517426,"domain_scores_codex":[0.9973475,0.0001660484,0.0005245217,0.0003027392,0.00120491,0.0004543283],"domain_scores_gemma":[0.9980355,0.0006738005,0.000764967,0.0002457509,0.0001232854,0.0001567061],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001648204,0.0002819602,0.9816557,0.00001305775,0.0003645532,0.00009610725,0.0005266601,0.001572052,0.003611113,0.001167789,0.0003890517,0.01015717],"study_design_scores_gemma":[0.0001451355,0.002363717,0.9772769,0.00003576271,0.0002568163,0.00001533543,0.0004392561,0.001469963,0.01195288,0.005799473,0.0001327311,0.0001120941],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9888518,0.0005546982,0.00069959,0.008533361,0.00006247733,0.0001491191,0.00001537485,0.000009223849,0.001124353],"genre_scores_gemma":[0.9962599,0.000398624,0.002707832,0.0004944462,0.00004068613,4.843235e-7,0.000002770764,0.000001225074,0.00009399329],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01004508,"threshold_uncertainty_score":0.9999256,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02926546791276615,"score_gpt":0.276912466392433,"score_spread":0.2476469984796668,"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."}}