{"id":"W2122219405","doi":"10.1002/9780470061596.risk0340","title":"Collective Risk Models","year":2008,"lang":"en","type":"other","venue":"Encyclopedia of Quantitative Risk Analysis and Assessment","topic":"Probability and Risk Models","field":"Decision Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo; University of Toronto","funders":"","keywords":"Aggregate (composite); Systematic risk; Portfolio; Actuarial science; Economics; Econometrics; Financial economics","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":[0.002497906,0.00136086,0.001727351,0.001498245,0.0011727,0.00360797,0.002776133,0.002943365,0.01194071],"category_scores_gemma":[0.006109283,0.0004414414,0.002088887,0.001378664,0.002222282,0.00328127,0.002578079,0.002819475,0.001655286],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001783821,"about_ca_system_score_gemma":0.001083757,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004188679,"about_ca_topic_score_gemma":0.002114609,"domain_scores_codex":[0.99834,0.0005536529,0.00006360665,0.0003043666,0.0005330787,0.0002053906],"domain_scores_gemma":[0.9970318,0.001592894,0.0003627835,0.0003443634,0.0004162248,0.0002519791],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00001291872,0.00002480862,0.0004259261,0.0000442607,0.00005803994,0.0001234034,0.0001536384,0.1866065,0.0001500524,0.8023931,0.004570941,0.005436503],"study_design_scores_gemma":[0.00001198244,0.00002278875,0.0002184831,0.00003524431,0.00002471387,0.00008762195,0.00005969597,0.4408212,0.00006369741,0.5519049,0.006731112,0.0000185877],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"other","genre_scores_codex":[0.05210188,0.005039889,0.7521418,0.006860487,0.0007492519,0.0001107019,0.0008896085,0.0004327756,0.1816735],"genre_scores_gemma":[0.8342948,0.003543306,0.03699126,0.000601068,0.0009649385,0.0003257567,0.0007071703,0.0002005656,0.1223712],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.01194071,"threshold_uncertainty_score":0.03994566,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08518451143404904,"score_gpt":0.4000063876095048,"score_spread":0.3148218761754558,"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."}}