{"id":"W2129504210","doi":"10.1016/j.scitotenv.2004.11.023","title":"Background and threshold: critical comparison of methods of determination","year":2005,"lang":"en","type":"article","venue":"The Science of The Total Environment","topic":"Geochemistry and Geologic Mapping","field":"Computer Science","cited_by":868,"is_retracted":false,"has_abstract":false,"ca_institutions":"Geological Survey of Canada; Natural Resources Canada","funders":"","keywords":"Outlier; Standard deviation; Statistics; Range (aeronautics); Computer science; Threshold limit value; Data mining; Mathematics; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04488368077834658,"score_gpt":0.3337557976041268,"score_spread":0.2888721168257802,"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."}}