【摘要】 主要介绍了主成分分析在上市公司综合评价中的作用 .主成分分析作为一种客观赋权的方法 .权数是能随着宏观经济环境变化而变化的动态权数体系 ,因为主成分分析所应用的数据来源于上市公司年度报告所提供的财务指标 .它主要对所选择的 40只绩优股 ,进行横向的比较 ,并根据第一主成分得分进行排序 ,给广大的投资者提供参考 .更多还原

【Abstract】 Introduce principal component analysis when appearing on the stock market role in company′s comprehensive evaluation. Principal component analysis is the method of a kind of objective weight defining. The weight is a dynamic weight system that can change as macro-economics environment changes frequently, Because the financial index and that data source are offered on the market company′s financial report that principal component analysis applies. We mainly carry out more lateral comparison for the 40 blue chips selected, and they have a rank according to the scores of the first principal component to offer reference to masses of investor.更多还原