江西与湖南城市经济发展水平主成分聚类比较分析

Principal Component Cluster Analysis of Cities' Economic Development Level in Jiangxi and Hunan Provinces

《武汉共识》战略合作框架协议的签署以及国务院《关于依托黄金水道推动长江经济带发展的指导意见》政策的出台,使得位于长江中游地区的江西省和湖南省获得了巨大的发展机遇。为了打造中国经济增长的"第四极",推动长江中游地区经济的协调发展,根据2014年江西省和湖南省统计数据,选取了14项可以反映城市经济发展水平的指标。通过主成分分析获得影响城市经济发展的主要指标,再根据这些主要指标对江西省和湖南省的25个地级市经济发展水平进行聚类分析。结果表明:当选取距离标准λ=2时各地级市经济发展水平的类别差距较大,总体可以分为最高、较高、一般、较低、最低5类,针对这种区域经济发展不平衡的态势提出了相应的对策和建议。

Jiangxi and Hunan provinces,located in the middle region of the Changjiang River,have gained a great chance of economic development after signing the strategic cooperation framework agreement of Wuhan Consensus and announcing the state council ＂about relying on the golden waterway guidance to promote the development of the Changjiang River economic belt＂policy.According to the statistical data of Jiangxi and Hunan province in 2014,it chose 14 indexes which can reflect comprehensive economic power of cities in order to make＂the fourth pole of economic growth＂of China and to promote coordinated development of regional economy in the middle region of the Changjiang River.It obtained the main indexes which influence the development of economy of cities by using principal component analysis and then classified the 25 cities of Jiangxi and Hunan province according to these main indexes.The clustering results show that there is a large gap between the economic development level of the 25 cities.when the distance standardλis 2 categories are divided in genercl：the highest area,higher area,general area,lower area and lowest area.Finally,corresponding countermeasures and suggestions are put forward in view of the unbalanced regional economic development trend.