基于SPSS聚类分析的公路货运竞争力地区差异分析  

Regional Disparities Analysis of Highway Freight Competitiveness Based on SPSS Hierarchical Cluster Analysis

作　　者：王心磊[1] 刁仁群[1] 

机构地区：[1]江苏省交通科学研究院股份有限公司,江苏南京210017

出　　处：《现代交通技术》2013年第3期80-83,共4页Modern Transportation Technology

摘　　要：以江苏省13个地区为研究对象,选取了反映公路货运竞争力的6项重要指标,通过对2011年公路货运相关数据的采集处理,运用统计分析软件SPSS中的2种系统聚类分析方法对江苏省公路货运竞争力地区差异性进行分类研究,最终将13个地区的公路货运划分为4类,即货运竞争力能力最强、货运竞争力能力较强、货运竞争力能力一般及货运竞争力能力较弱地区。This paper takes 13 districts and cities of Jiangsu province as the research object, and selects six important indica- tors that reflecting the competitiveness of highway freight respectively. By collection and processing of freight-related data in 2011, a classification study was made on the regional differentiation of highway freight competitiveness in Jiangsu province u- sing two hierachical cluster analytical methods of statistical analysis software SPSS. Finally, the highway freight competitive- ness of the thirteen districts and cities are divided into four classes, that is the strongest, strong, normal and weak.

关 键 词：公路货运竞争力 地区差异 系统聚类分析 离差平方和法 类间平均法 

分 类 号：U492.313[交通运输工程—交通运输规划与管理]