基于粗糙主成分分析法的铁路网客运节点重要度决策  

Importance Decision of Passenger Transport Node in Railway Network based on Rough Principle Components Analysis

作　　者：陈钉均[1] 张述能[1] 倪少权[1] 郭倩倩[1] 

机构地区：[1]西南交通大学交通运输与物流学院,四川成都610031

出　　处：《铁道运输与经济》2011年第8期30-33,共4页Railway Transport and Economy

基　　金：国家自然科学基金(60870004);中央高校基本科研业务费专项资金资助(swjtu09zt19)

摘　　要：通过阐述铁路网客运节点的定义和节点重要度的概念,建立客运节点重要度评价指标体系,利用粗糙集理论与主成分分析法的结合,提出利用主成分分析法和基于信息量方法,计算客运节点的客观权重,结合主观权重得到科学合理的客运节点综合权重。经过实例分析,表明了基于粗糙主成分分析法的客运节点评判结果的有效性。This paper expounds the definition of passenger transport node in railway network and the concept of node importance,establishes the importance evaluation index system of passenger transport node.By using the rough set theory combined with principle components analysis,the paper puts forward that calculate the external weight of passenger transport node by using principle components analysis and the method based on information volume,and achieve rational comprehensive weight of passenger transport node by combining with subjective weight.Through analyzing example,the result shows the judgment validity of passenger transport node based on rough principle components analysis.

关 键 词：铁路 客运站 主成分分析法 节点重要度 

分 类 号：O29[理学—应用数学] U291.6[理学—数学]