{"id":"W2518325544","doi":"10.1177/0008068320100303","title":"Estimation of the Mean Vector of a Multivariate Elliptically Contoured Distribution","year":2010,"lang":"en","type":"article","venue":"Calcutta Statistical Association Bulletin","topic":"Advanced Statistical Methods and Models","field":"Mathematics","cited_by":9,"is_retracted":false,"has_abstract":true,"ca_institutions":"Carleton University","funders":"","keywords":"Estimator; Mathematics; James–Stein estimator; Statistics; Shrinkage estimator; Mean squared error; Efficient estimator; Invariant estimator; Sample size determination; Multivariate normal distribution; Minimum-variance unbiased estimator; Combinatorics; Multivariate statistics","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":"codex-gemma-dda1882f352a","candidate_categories":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.00112279,0.0001649873,0.000440146,0.00002072067,0.00009746882,0.0000162679,0.0001914928,0.0002051592,0.0003954431],"category_scores_gemma":[0.03569998,0.0001223285,0.0001095124,0.0001467503,0.0001795089,0.00003089449,0.00006627519,0.000398667,0.00001312835],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000112717,"about_ca_system_score_gemma":0.00006275277,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00003764905,"about_ca_topic_score_gemma":0.00002303414,"domain_scores_codex":[0.9977639,0.0003446068,0.0007879405,0.0002415593,0.0005801145,0.0002818648],"domain_scores_gemma":[0.9919776,0.006492422,0.0006762633,0.0003025606,0.0004411746,0.0001099732],"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":[0.00004967632,0.0002063533,0.0001205591,0.00007884331,0.00004374413,7.886468e-7,0.0001223815,0.00005182556,0.0069849,0.9826428,0.003046719,0.006651365],"study_design_scores_gemma":[0.001591706,0.0001532105,0.01526198,0.00009535377,0.0003056734,0.000002765066,0.00003974421,0.06590913,0.01134571,0.8993445,0.005609662,0.0003405786],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.01595632,0.000003386306,0.9800725,0.001249385,0.0003110071,0.0003845971,0.001521467,0.00003353519,0.0004677791],"genre_scores_gemma":[0.6297375,0.000001010503,0.3697872,0.00003324865,0.00003946554,0.00001785965,0.0000510982,0.0000155417,0.0003170402],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.6137812,"threshold_uncertainty_score":0.9724227,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02814302689548315,"score_gpt":0.3549079324486221,"score_spread":0.3267649055531389,"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."}}