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首页> 外文会议>International Conference on Computers in Railways; 2004; Dresden; DE >Swedish data for railway infrastructure maintenance and renewal cost modelling
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Swedish data for railway infrastructure maintenance and renewal cost modelling

机译：用于铁路基础设施维护和更新成本建模的瑞典数据

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摘要

This paper describes work undertaken to prepare a comprehensive data set covering 1999 - 2002 for econometric modelling of railway infrastructure maintenance and renewal costs in Sweden. Costs for operations, maintenance and renewals as well as infrastructure information have been gathered from the Swedish National Rail Administration's (Banverket) accounting and track information systems. Traffic information has been retrieved from the major passenger and freight operators, but underreported and missing freight data has forced us to find solutions to impute values. From a review of various techniques, multiple imputation (MI) has been found to be the most suitable method given the status of the existing data. A variety of potential analyses using the data set, like estimation of total and marginal costs of infrastructure maintenance and renewal, are proposed at the end of the paper. A strategy for data collection linked to utilisation is recommended to enhance possibilities for analysis.
机译：本文介绍了为涵盖瑞典铁路基础设施维护和更新成本的计量模型而准备的涵盖1999年至2002年的综合数据集所做的工作。运营，维护和更新费用以及基础设施信息已从瑞典国家铁路局（Banverket）的会计和轨道信息系统中收集。已经从主要的客运和货运运营商那里获取了交通信息，但是漏报和货运数据缺失迫使我们寻找估算值的解决方案。通过对各种技术的回顾，在现有数据状态下，多重插补（MI）被发现是最合适的方法。本文末尾提出了使用该数据集的各种潜在分析方法，例如估算基础设施维护和更新的总成本和边际成本。建议使用与利用率相关的数据收集策略，以增加分析的可能性。

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