主成分聚类分析在县域生态经济分区中的应用——以东营市河口区为例

生态经济分区是宏观管理区域社会经济发展的一种新的模式.在介绍县域生态经济分区原则与方法的基础上,以东营市河口区为例,首先从资源环境、社会、经济3方面共选取27个指标构建了分区指标体系,然后以乡镇为样本进行主成分分析,再利用提取的主因子作为新的综合变量,并以各主因子得分矩阵为新的综合变量数据进行聚类分析,在考虑地形地貌和区域特征的基础上将该县域划分为4个生态经济区.在分析各生态经济区基本情况的基础上为各区经济发展方向提出了建议.

Application of Principal Component Analysis and Cluster Analysis in the Ecological and Economic Regionalizaton at County Level

Eco-economic regionalization is a new model for integrated development of social economy.In this paper the principle and method of ecological-economic division at county level were introduced.Firstly,twenty-seven eco-economic regionalization indexes were selected from resource,social and economic sides.And the author selected the town as the swatch to apply the principal component analysis to eliminate the indexes having the relativities and information.Then the principal component was used as the new variables to make the cluster analysis.Finally,according to the result of cluster analysis,Hekou District was divided into four eco-economic regions,and the characteristics and development of every region were analyzed.So,the advice on the economy development of every region was put forward.