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中文摘要：
通过实例比较分析关于路线选择行为的多项logit模型和配对组合logit模型,验证在放松对随机效用项的假定、允许选择肢的任何配对组合有不同共分散时配对组合logit模型的解释能力.首先推导了配对组合logit模型,然后在SP调查的基础上,标定出路线选择行为的多项logit模型和配对组合logit模型.研究结果表明：路线A与C、路线B与C之间存在一定的相似性;配对组合logit模型的ρ2（0.113）略高于多项logit模型的ρ2（0.112）;配对组合logit模型考虑了路线间的相似性,其模型精度和说明力高于一般的多项logit模型,其导入的路线相似性参数是合理妥当的.
英文摘要：
Multinomial logit（MNL） model and paired combinatorial logit（PCL） model on route choice behavior are compared though a case study.The PCL model＇s explanation ability while relaxing the assumption of random utility and allowing different covariances for each pair of alternatives is verified.Firstly the PCL model is derived,and then based on a stated preference survey,MNL model and PCL model of route choice behavior are estimated.The results show that there exists a certain similarity between route pair AC and BC;the PCL model and MNL model are estimated with ρ2（0.113） and ρ2（0.112）,respectively.The results also indicate that the PCL model outperforms the MNL model by considering the similarity between alternatives and it is reasonable to incorporate the parameter of route similarity.
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