摘要
通过分析区域公路货物运输量统计指标需求分析的有效样本,应用数理统计方法建立区域公路货物运输量统计指标排序模型,运用SPSS统计软件对统计指标的重要性和可行性的均值、满分频率、等级以及变异系数等相关统计量进行计算分析,遵循"等概率原则"求其期望值,以评价各指标重要性和可操作性.
To master information demand of consumers, the statistics indicators system of region high- way freight transportation volumes was established on the basis of analyzing the users of survey data. Through analyzing the effective samples, a ranking model on statistics indicators of region highway freight transportation volumes was established with the mathematics statistics method. The parame- ters of each statistics indictor＇s significance and feasibility including average, frequency, rank sum and coefficient of variation were calculated by using the SPSS statistics software. The expected value, which evaluated the significance and feasibility of each statistics indictor, was calculated following the equal-- probability principle.
出处
《武汉理工大学学报（交通科学与工程版）》
2012年第5期962-966,共5页
Journal of Wuhan University of Technology（Transportation Science & Engineering）
基金
西部交通建设科技项目资助(批准号:200731877458)
关键词
区域
公路货物运输量
调查统计指标
数理统计方法
重要性
可行性
region
highway freight transportation volume
survey and statistics indicators
mathematics statistics method
significance
feasibility
