{"id":"W1712125628","doi":"10.1136/bmj.325.7359.334/a","title":"Different sex ratios at birth in Europe and North America","year":2002,"lang":"en","type":"letter","venue":"BMJ","topic":"Demographic Trends and Gender Preferences","field":"Social Sciences","cited_by":26,"is_retracted":false,"has_abstract":true,"ca_institutions":"York University","funders":"","keywords":"Demography; Sex ratio; Statistical significance; Context (archaeology); Population; Geography; Significance testing; Mathematics; Statistics; Sociology; Archaeology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.007678236,0.0005540118,0.001693795,0.002062734,0.0009573149,0.00169105,0.002388593,0.005309452,0.003246892],"category_scores_gemma":[0.03906916,0.0004091193,0.0008080925,0.001557515,0.001540212,0.001970086,0.0007413275,0.005844973,0.0008827974],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001188461,"about_ca_system_score_gemma":0.001499434,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009360014,"about_ca_topic_score_gemma":0.01423631,"domain_scores_codex":[0.9969331,0.001083219,0.0005799377,0.0004545398,0.0007221469,0.0002270744],"domain_scores_gemma":[0.9839316,0.01034203,0.001813952,0.000312516,0.002779491,0.0008203875],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"observational","study_design_scores_codex":[0.0005632384,0.0000429573,0.0242023,0.000937649,0.0002468178,0.001115802,0.0004220346,0.00004755339,0.0001495018,0.001503247,0.928936,0.04183297],"study_design_scores_gemma":[0.0006219412,0.0003475671,0.2129838,0.005655965,0.0007893236,0.007203922,0.003637207,0.0008056073,0.0007463116,0.006424017,0.7605022,0.0002821413],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"empirical","genre_scores_codex":[0.00948588,0.04665806,0.000201038,0.6965351,0.2434543,0.00002850412,0.000960242,0.00005064534,0.002626162],"genre_scores_gemma":[0.05949552,0.02690025,0.0003912104,0.4668112,0.4427317,0.00006910478,0.0005326325,0.00009384967,0.00297459],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.99064,"threshold_uncertainty_score":0.04060692,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05113571678115669,"score_gpt":0.2840702649768893,"score_spread":0.2329345481957326,"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."}}