{"id":"W7096749134","doi":"","title":"South Africa Exports of Metals and Articles of Base Metal: A gravity Model Approach","year":2007,"lang":"en","type":"article","venue":"","topic":"Global trade and economics","field":"Economics, Econometrics and Finance","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Base metal; Base (topology); Gravity model of trade; Population","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":[0.0002855348,0.000523903,0.0003833781,0.001765936,0.0003901258,0.0008954633,0.0003473001,0.0004389317,0.002489961],"category_scores_gemma":[0.000936373,0.0003212144,0.001177948,0.001726735,0.0002712066,0.0008448251,0.0005744469,0.0003779902,0.0003031101],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001071207,"about_ca_system_score_gemma":0.0007609979,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.05265094,"about_ca_topic_score_gemma":0.02338162,"domain_scores_codex":[0.9998695,0.00004382739,0.000005815072,0.00002773242,0.00001422564,0.00003898959],"domain_scores_gemma":[0.9997832,0.00008124303,0.00007895995,0.00001534905,0.00001954852,0.00002169679],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0003336262,0.00018379,0.3697523,0.0001567489,0.000672807,0.001749984,0.0008296297,0.5487834,0.002461298,0.04375011,0.004056112,0.02727018],"study_design_scores_gemma":[0.0001254125,0.0002225814,0.1391831,0.0000967671,0.0003023965,0.0005217792,0.001736347,0.8356498,0.0009255292,0.01123908,0.009941162,0.00005604949],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9910638,0.000203111,0.004429828,0.000235283,0.000006009348,0.00002380055,0.0004619468,0.00002597203,0.00355028],"genre_scores_gemma":[0.9955956,0.0004435302,0.001855912,0.00001495275,0.000006842023,0.00002251966,0.0004751408,0.000007157999,0.001578206],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05265094,"threshold_uncertainty_score":0.1046889,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1301403684176026,"score_gpt":0.2116237961237213,"score_spread":0.08148342770611872,"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."}}