{"id":"W2737796915","doi":"10.2196/mhealth.7437","title":"Estimating Heart Rate, Energy Expenditure, and Physical Performance With a Wrist Photoplethysmographic Device During Running","year":2017,"lang":"en","type":"article","venue":"JMIR mhealth and uhealth","topic":"Non-Invasive Vital Sign Monitoring","field":"Engineering","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Heart rate; Energy expenditure; VO2 max; Cardiorespiratory fitness; Physical therapy; Medicine; Aerobic exercise; Statistics; Physical medicine and rehabilitation; Mathematics; Blood pressure; Internal medicine","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.0007041566,0.000383138,0.0002749526,0.0004279669,0.0001059186,0.000320645,0.0002284224,0.0002843341,0.001298631],"category_scores_gemma":[0.002175991,0.00007983104,0.000138593,0.0002823332,0.0001554425,0.000285614,0.0002857609,0.0002474789,0.0003717055],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007078613,"about_ca_system_score_gemma":0.0001104899,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004885398,"about_ca_topic_score_gemma":0.001168247,"domain_scores_codex":[0.9995542,0.0001271735,0.00005541402,0.00009357009,0.0001458071,0.00002377366],"domain_scores_gemma":[0.9991486,0.0002967765,0.000250278,0.00008269987,0.0001802057,0.00004139316],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.001843458,0.0005216032,0.5966616,0.0008030919,0.0003306555,0.0003237406,0.001081728,0.001219086,0.1841211,0.0001591925,0.001299392,0.2116354],"study_design_scores_gemma":[0.00002357967,0.001220239,0.9522206,0.00006137235,0.000109418,0.000953333,0.0002301572,0.002659999,0.04142997,0.0001209381,0.0009420556,0.0000282733],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9732527,0.0007899274,0.02165322,0.00007342447,0.00004940937,0.0001047455,0.0009623722,0.0001650512,0.002949133],"genre_scores_gemma":[0.9873953,0.0003698276,0.01064045,0.00007398443,0.00003894428,0.00009671287,0.0004718775,0.00002002532,0.0008929099],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001298631,"threshold_uncertainty_score":0.004344344,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02146756091572293,"score_gpt":0.2978383016060404,"score_spread":0.2763707406903175,"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."}}