{"id":"W2064835471","doi":"10.2105/ajph.2007.120741","title":"Identifying Heterogeneity Among Injection Drug Users: A Cluster Analysis Approach","year":2008,"lang":"en","type":"article","venue":"American Journal of Public Health","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":44,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Manitoba; Manitoba Health","funders":"","keywords":"Cluster (spacecraft); Drug; Medicine; Environmental health; MEDLINE; Computer science; Pharmacology; Biology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003290366,0.0002278168,0.001168116,0.00149138,0.0002719855,0.00006109643,0.0002510306,0.00005125528,0.00003353168],"category_scores_gemma":[0.0003560777,0.0001906888,0.0004519823,0.003191396,0.0004254686,0.0006148457,0.00005849464,0.0007411709,0.00001186032],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006566511,"about_ca_system_score_gemma":0.001137736,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002164863,"about_ca_topic_score_gemma":0.0003721153,"domain_scores_codex":[0.9959269,0.0009262995,0.001175382,0.0003313425,0.0009650284,0.0006751182],"domain_scores_gemma":[0.9961362,0.0001150587,0.001599374,0.000442302,0.0004755819,0.001231478],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008588515,0.000538737,0.9199945,0.00006221935,0.001464506,0.00006147751,0.02871114,0.00033788,0.00002320632,0.000006595107,0.003009822,0.04570405],"study_design_scores_gemma":[0.001863306,0.00180616,0.9208596,0.0000689192,0.0005311292,0.002646271,0.06669357,0.00319039,0.00003222906,0.000007878888,0.001995164,0.0003053863],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9414181,0.0002025908,0.05317354,0.004429415,0.000149038,0.0002099155,0.000003849978,0.00004528119,0.0003682431],"genre_scores_gemma":[0.9874529,0.0002807764,0.009095044,0.00249689,0.0003979507,0.000005533318,0.00001835196,0.00003836197,0.0002141389],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04603482,"threshold_uncertainty_score":0.7776065,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1074307708624564,"score_gpt":0.3811751765807717,"score_spread":0.2737444057183154,"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."}}