{"id":"W2186837235","doi":"","title":"Variance Estimation in Complex Surveys with One PSU per Stratum","year":2009,"lang":"en","type":"article","venue":"","topic":"Census and Population Estimation","field":"Mathematics","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Stratum; Variance (accounting); Statistics; Estimation; Sampling (signal processing); Econometrics; Sampling design; Variance components; Sample (material); Survey sampling; Small area estimation; Mathematics; Geography; Computer science; Geology; Economics; Estimator; Population; Sociology; Demography","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":[0.02912973,0.0009165874,0.001688648,0.002129901,0.0006791234,0.00208777,0.001642512,0.001270667,0.001567166],"category_scores_gemma":[0.1327303,0.0008883792,0.001620934,0.003114201,0.002213612,0.003066955,0.002773321,0.002046756,0.0003800745],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001019086,"about_ca_system_score_gemma":0.001198525,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004120355,"about_ca_topic_score_gemma":0.002814131,"domain_scores_codex":[0.973295,0.02032004,0.001012648,0.002899416,0.001992637,0.0004802142],"domain_scores_gemma":[0.9179983,0.06932263,0.004297244,0.006038771,0.002085571,0.0002574634],"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":[0.0001400938,0.00008124927,0.02865054,0.0007779771,0.0007344909,0.0002239897,0.001045827,0.1095425,0.001682997,0.5915979,0.003387456,0.262135],"study_design_scores_gemma":[0.00003921924,0.0001545636,0.01105475,0.0002310517,0.0001456233,0.0001948144,0.0002472856,0.4092577,0.001619285,0.5667514,0.01022977,0.00007459452],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.004456533,0.0003703269,0.9943931,0.000146662,0.00003539698,0.00004998777,0.00003951546,0.00004984586,0.0004586917],"genre_scores_gemma":[0.2458159,0.001545923,0.7485288,0.0004237811,0.0003080913,0.0007483849,0.0005040337,0.0001169989,0.002007997],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.02912973,"threshold_uncertainty_score":0.1540546,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09047918071499093,"score_gpt":0.3383548167786037,"score_spread":0.2478756360636127,"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."}}