基于主成分分析的陕西省三大区域经济差异评价

近年来,虽然陕西省的经济发展速度较快,但其经济发展水平在全国仍处于落后地位,而且其内部经济发展也极不平衡。文章首先分析了陕西省三大区域经济发展现状,然后选取三大区域的10个地级城市,构建了由10个指标组成的区域经济差异评价体系,采用多元统计中的主成分分析法,对陕西省三大区域的经济差异进行了定量评价和分析比较,将三大区域划分为四大经济发展梯度区,结果是陕北经济发展最快,有取代关中领头羊地位之势,陕南经济发展滞后。

Evaluation of Economic Difference in Three Major Regions in Shaanxi Province Based on Principal Analysis

Although its economic development is rapid,Shaanxi is still an undeveloped inland province in China.Compared with some other provinces,the economic development level of Shaanxi is falling behind,and there is also an unbalanced development there.This paper first analyzes the status quo of three major regional economies of Shaanxi province,then it selects ten prefectural-level cities in the province and makes use of the economy discrepancy system which is composed by ten indexes.After these,the paper evaluates the difference of economic development between the three regions by means of multivariate statistical analysis of the principal component.After that the three regions are divided into four kinds of gradient areas in development and a conclusion is drawn that the economic development of northern Shaanxi is the fastest and has a trend to exceed that of central Shaanxi,while southern Shaanxi is the least developed area.