{"id":"W2241799903","doi":"","title":"Economies of Scale in Operating Costs for Light Rail Transit and Streetcars","year":2013,"lang":"en","type":"article","venue":"Transportation research circular","topic":"Transportation Planning and Optimization","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Transport engineering; Mile; Unit (ring theory); Economies of scale; Transit (satellite); Service (business); Modal shift; Light rail transit; Public transport; Scale (ratio); Business; Light rail; Vehicle miles of travel; Modal; Engineering; Geography; Marketing","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001073271,0.00006784171,0.0001494144,0.0002072847,0.0002420103,0.00005775757,0.00009701797,0.00008955789,0.0001188338],"category_scores_gemma":[0.00005188296,0.00007495037,0.00003815764,0.0003122101,0.0001755297,0.000435965,6.243226e-7,0.0001087631,0.000003298254],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000443812,"about_ca_system_score_gemma":0.0001345477,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.0076423,"about_ca_topic_score_gemma":0.01824727,"domain_scores_codex":[0.9987722,0.000131995,0.0003168678,0.0002066738,0.0003058754,0.0002664082],"domain_scores_gemma":[0.9992469,0.0001790946,0.00004655403,0.00007678876,0.0003547915,0.00009587446],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000692746,0.00018836,0.7690306,0.0004290547,0.00005341993,0.000005206608,0.1381311,0.02254494,0.00960313,0.04546854,0.0005320483,0.01394437],"study_design_scores_gemma":[0.00136442,0.00008415351,0.9611261,0.0001338084,0.0000152597,7.448557e-8,0.0284322,0.0023705,0.002005542,0.001847388,0.002421456,0.00019906],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9925804,0.0001401297,0.003791539,0.001502609,0.00002977859,0.0008986957,0.00003563813,0.00002454285,0.0009967051],"genre_scores_gemma":[0.9973541,0.000131592,0.002085625,0.00002066531,0.00001997189,0.0001518698,0.00009626233,0.00001047641,0.0001294594],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1920955,"threshold_uncertainty_score":0.9996672,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03856113733386288,"score_gpt":0.34377373636235,"score_spread":0.3052125990284871,"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."}}