{"id":"W2028273176","doi":"10.1117/12.500599","title":"Cascade heart rate variability","year":2003,"lang":"en","type":"article","venue":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","topic":"Heart Rate Variability and Autonomic Control","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo; Toronto Metropolitan University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Cascade; Merge (version control); Multifractal system; Computer science; Heart rate variability; Bounded function; Control theory (sociology); Mathematics; Artificial intelligence; Fractal; Heart rate; Engineering; Medicine","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0003486526,0.0005918118,0.0004169078,0.00038754,0.0002454909,0.0005780314,0.0008872959,0.0005910954,0.002091057],"category_scores_gemma":[0.001120638,0.0002129962,0.0005846627,0.0002336452,0.0003590596,0.0008712569,0.0005252921,0.0005847315,0.0004380738],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003542291,"about_ca_system_score_gemma":0.0002255227,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001569046,"about_ca_topic_score_gemma":0.001096769,"domain_scores_codex":[0.9997898,0.00004213012,0.00001007825,0.00006292228,0.00007044717,0.00002456943],"domain_scores_gemma":[0.9998257,0.00007750199,0.00002983457,0.00002497893,0.00002918679,0.00001287631],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.0001283059,0.00005575956,0.002526129,0.0001346567,0.00007736511,0.0004454724,0.00020135,0.8283129,0.02283546,0.1070028,0.001553078,0.03672676],"study_design_scores_gemma":[0.0000029857,0.00003789269,0.0006253361,0.000004798889,0.000009957886,0.00007959182,0.000004341467,0.9823501,0.0007616134,0.01535733,0.0007578133,0.000008164538],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.05739851,0.000695552,0.9315735,0.0002437825,0.00009087533,0.00006279742,0.0003282678,0.000458324,0.009148341],"genre_scores_gemma":[0.9667727,0.0007040809,0.02765985,0.00004649955,0.00006724708,0.0001086691,0.0001592838,0.00003767042,0.00444411],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.002091057,"threshold_uncertainty_score":0.006995261,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01225586622142484,"score_gpt":0.2400114294204561,"score_spread":0.2277555631990313,"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."}}