第章主成分分析和因子分析习题答案.pdfVIP

第11章主成分分析和因分析

教材习题答案

11.1200730X1=X2=

下表是年家能源类上市公的有关经营数。其中：主营业务利润；净

资产收益率；X3=每股收益；X4=总资产周转率；X5=资产负债率；X6=流动比率；X7=主营业

务收入增长率；X8=资本积累率。进行主成分分析并确定主成分的数量。

股票简称X1X2X3X4X5X6X7X8

海油工程19.75127.0101.1320.92250.4691.23725.49510.620

中海油服33.73312.9900.4980.51025.3983.37846.990-1.576

中国石化13.07918.2600.6341.83554.5840.67455.04343.677

中国石油33.44119.9000.7350.92328.0681.04342.68245.593

广聚能源6.79015.6500.4411.18813.2573.60238.44617.262

鲁润股份5.3150.5000.0111.87952.5931.222207.37333.721

海越股份3.35715.4800.5380.62648.8300.80733.43854.972

国际业29.33210.3400.2990.66253.1401.21816.5797.622

靖远煤电29.96116.0400.2550.66236.5960.70020.902-3.682

美锦能源23.34218.5800.4970.92360.9630.9921.27112.128

神火股份26.04242.5001.6400.99069.7760.51050.13852.066

金牛能源35.02215.7300.7250.94439.2670.9539.002-3.877

煤气化25.80914.9800.6770.92845.7680.949-3.85124.881

西山煤电39.50617.8200.8680.70345.4501.5259.162-85.430

露天煤业29.89522.4500.7090.80040.9771.3213.3104.369

郑州煤电18.16012.740