{"id":"W7163408356","doi":"10.5876/9781607322139.c007","title":"3 Drought, Subsistence Stress, and Population Dynamics Assessing Mississippian Abandonment of the Vacant Quarter","year":2013,"lang":"","type":"book-chapter","venue":"University of Colorado Press eBooks","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Quarter (Canadian coin); Abandonment (legal); Subsistence agriculture; Population; Population decline","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001710518,0.000168467,0.0001435284,0.00082277,0.0006698265,0.0008820709,0.0003005748,0.0002489651,0.003029841],"category_scores_gemma":[0.0006925826,0.0001238618,0.0002285481,0.001397441,0.0001196929,0.0002908655,0.0004194433,0.0002896335,0.0002289638],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008529966,"about_ca_system_score_gemma":0.001005163,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.3028339,"about_ca_topic_score_gemma":0.5591556,"domain_scores_codex":[0.9999465,0.00001108908,0.000003548882,0.00001144457,0.00001535613,0.00001207472],"domain_scores_gemma":[0.999863,0.00002672195,0.00002859665,0.00000426898,0.00005064232,0.00002666884],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00004767691,0.00004368462,0.9406958,0.00005756272,0.00009508335,0.0001737425,0.001681195,0.003419653,0.0008659415,0.0006564183,0.009022836,0.04324033],"study_design_scores_gemma":[0.000001524182,0.00002742645,0.9823151,0.00004436753,0.00003038609,0.00006395843,0.003723888,0.004044582,0.0002359894,0.0004723872,0.009032377,0.000007989192],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9789715,0.001626532,0.0007419877,0.001046008,0.00003560603,0.00002605773,0.003342655,0.00001785742,0.01419181],"genre_scores_gemma":[0.9802012,0.001517059,0.001378516,0.0001196068,0.00004116814,0.00003140952,0.002053326,0.00001000416,0.01464773],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3028339,"threshold_uncertainty_score":0.6021423,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01256193026246978,"score_gpt":0.1630552043873066,"score_spread":0.1504932741248368,"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."}}