Analysis of Factors Affecting Road Transport Accidents of Hazardous Materials Based on PG-BN
Zewen Li,
Mengmeng Zhang
Abstract:To analyze the factors affecting road accidents involving hazardous materials, the Bayesian network (BN) model was used to fit the accident data. However, considering the possible overfitting phenomenon of the BN model, the model was optimised by combining Pearson’s chi-squared test and Granger causality test (PG) methods. First, the data of hazardous materials accidents were preprocessed, and the index system of factors affecting hazardous materials road transport was constructed from five dimensions of “peop… Show more
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