西部装备制造业七大行业国内竞争力比较研究

Research on Comparison of Domestic Competitive Power of Seven Equipment Manufacturing Industry in Western Area

主成分分析是一种实用的多元统计分析方法,能消除样本指标之间的相关性,在保持样本主要信息的前提下,提取少量具有代表性的主成分。通过对西部装备制造业七大行业19项反映竞争力的主要经济指标进行主成分分析,并对其分析结果进行汇总比较研究,找出西部具有比较优势的大行业。

Principal component analysis is a useful multivariate statistical analysis methods, Which removes the correlation between sample indicators, while maintaining the samples under the premise of the key messages, extracts a small amount of the principal component representative. Through nineteen major economic indicators of seven major equipment manufacturing industries for principal component analysis, this paper summarized the results of the analysis and carried out a comparative study of the western region,which has a comparative advantage to identify the major industry.