{"id":"W2943891940","doi":"10.1021/acs.est.8b07110","title":"Assessing Space, Time, and Remediation Contribution to Soil Pollutant Variation near the Detection Limit Using Hurdle Models to Account for a Large Proportion of Nondetectable Results","year":2019,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Soil Geostatistics and Mapping","field":"Environmental Science","cited_by":15,"is_retracted":false,"has_abstract":true,"ca_institutions":"Federated Co-operatives (Canada); University of Saskatchewan","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Pollutant; Environmental science; Statistics; Environmental remediation; Econometrics; Mathematics; Chemistry; Contamination; Ecology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001157142,0.0001184162,0.0001397115,0.0001683151,0.0005950963,0.0001011275,0.000193282,0.00009844154,0.00002958267],"category_scores_gemma":[0.0001875203,0.0001013819,0.00002044421,0.0008076741,0.0002914043,0.0006233648,0.0003120014,0.00008784096,0.00004522542],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005993349,"about_ca_system_score_gemma":0.0000325085,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001938917,"about_ca_topic_score_gemma":0.00007285047,"domain_scores_codex":[0.9984209,0.00002074303,0.0002809622,0.000470681,0.0004198165,0.0003868738],"domain_scores_gemma":[0.9993925,0.00003820601,0.0002248239,0.0002610382,0.00001507169,0.00006835072],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00003969726,0.00003492692,0.001005017,0.000002211771,0.000002385889,1.852365e-7,0.0003338014,0.03916909,0.9520406,0.0002206906,0.000002838349,0.007148522],"study_design_scores_gemma":[0.0005915847,0.0003961668,0.04018151,0.0000221469,0.00002153808,0.000009531976,0.0004110589,0.7785498,0.1769754,0.001728989,0.0009140741,0.0001981193],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.868225,0.000008535587,0.1301481,0.0003692311,0.00009864454,0.001013454,0.00004564661,0.00002859054,0.00006274068],"genre_scores_gemma":[0.9921032,0.000004240633,0.007710288,0.00007107664,0.00001328018,0.00003989483,0.000006982778,0.00000964731,0.00004140077],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7750652,"threshold_uncertainty_score":0.457706,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009639636362637932,"score_gpt":0.2313034720351276,"score_spread":0.2216638356724897,"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."}}