{"id":"W4246779967","doi":"10.2136/sssaj2002.0083","title":"Principal Component Analysis Approach for Modeling Sulfur K-XANES Spectra of Humic Acids","year":2002,"lang":"en","type":"article","venue":"Soil Science Society of America Journal","topic":"Geochemistry and Geologic Mapping","field":"Computer Science","cited_by":49,"is_retracted":false,"has_abstract":true,"ca_institutions":"Agriculture and Agri-Food Canada","funders":"","keywords":"Principal component analysis; XANES; Spectral line; Partial least squares regression; Deconvolution; Chemistry; Mathematics; Biological system; Algorithm; Statistics; Physics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007950883,0.001055475,0.0004703294,0.001066631,0.0004768253,0.0007350164,0.000646952,0.0004881393,0.001552096],"category_scores_gemma":[0.001422929,0.000379903,0.001164756,0.001233736,0.0002383855,0.0005446663,0.000363765,0.0006715094,0.0006085386],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004994291,"about_ca_system_score_gemma":0.001322755,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007164142,"about_ca_topic_score_gemma":0.006734057,"domain_scores_codex":[0.9996583,0.00009831205,0.00001750793,0.00007943472,0.0001246743,0.00002168617],"domain_scores_gemma":[0.9996517,0.000147393,0.00003517919,0.00003016549,0.0001266981,0.000008902738],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001066053,0.0001505571,0.003651114,0.0001997066,0.0001748338,0.0001261764,0.0001857702,0.8192546,0.03311887,0.009949445,0.002023253,0.1310591],"study_design_scores_gemma":[0.000003285189,0.00002212928,0.0007727693,0.000003502729,0.000008952103,0.0000186745,0.00001433362,0.9942287,0.002421169,0.001351799,0.001142941,0.00001163688],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.02718908,0.00009135569,0.9704086,0.00005099657,0.00001912848,0.00009421033,0.0002695615,0.0009055817,0.0009714567],"genre_scores_gemma":[0.2650463,0.0004593386,0.7293755,0.000036019,0.00002736979,0.0005672775,0.001023914,0.0004219258,0.003042299],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.007164142,"threshold_uncertainty_score":0.01424491,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03143843959274492,"score_gpt":0.2480456107656053,"score_spread":0.2166071711728604,"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."}}