我国沿海省市经济发展综合实力的主成分分析

A Principal Component Analysis on the Synthesis Strength in Coastal Cities in China

本文基于主成分分析法,对反映我国10个沿海省市的经济发展的11个指标进行统计分析。得到的结果是:第一主成分是经济发展水平与发展潜力;第二主成分是:经济发展活力;第三主成分是:外商投资进出口比重。此结论基本上是正确合理的,对评价我国沿海省市经济发展综合实力具有一定的指导作用,可以提高评价过程效率、节约成本。

Based on the principle component analysis, ! 1 indexes which reflects the economic development of the 10 coastal cities in China are statistically analyzed. The result shows that the first principle component is level of economic development and the development potential; the second principle component is the activity of economic development; the third principle component is the proportion of foreign investment and export. This result is exact basically, and it can plays a guiding role in the evaluation of the synthesis strength in coastal cities in China . The process of evaluation can be reduced, the efficiency of evaluation can be improved, the cost of evaluation can be saved.