基于主成分分析的地区综合实力分析与评价——以青海省东部地区为例

Analysis and Evaluation on Comprehensive Strength of Area Based on Principal Component Analysis:A Case Study of East Area of Qinghai Province

地区综合实力反映一个地区社会经济系统的发展水平。主成分分析法可以使原来的多个指标化为少数几个综合指标,并且保证原始数据损失量最少,大大简化数据结构,客观确定权数,避免主观随意性。通过主成分分析,可以全面评价地区社会经济发展系统的发展水平及各区域之间的差距。

Regional comprehensive strength reflects the development level of the social economic system of an area. The analytic approach of the principal component can decrease indexes, and can cut the losing amount of initial data, greatly simplify the structure of the data, determine objectively the weight, which avoids subjectivity. Through the principal component analysis, it can appraise the development level of the social economic system of an area and the gap with other areas.