多元统计习题程序

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1、第一章均值向量、协方差阵、离差阵例2-1行业公司简称净资产收益率％总资产报酬率％资产负债率％总资产周转率流动资产周转率已获利息倍数销售增长率％资本积累率％电力、煤气及水的生产和供应业深能源A16.8512.3542.320.371.787.1845.7354.54深南电A2215.3046.510.761.7715.6748.1119.41富龙热力8.977.9830.560.170.5810.4317.809.44穗恒运A10.258.9940.440.462.465.0611.061.09巧电力八20.8120

2、.0035.870.431.2534.8924.7712.67韶能股份8.867.5227.590.240.8420.59-3.5054.02惠天热电10.987.9449.300.360.6912.4316.883.52原水股份8.858.8836.200.130.418.53-11.492.44大连热电9.037.4146.890.280.796.8616.23-1.52龙电股份12.078.7016.810.280.6829.754.1163.06华银电力6.856.1241.930.240.654.3811

3、.203.80房地行业长春经开9.8510.5031.230.340.4017.1318.057.18兴业房产1.071.5266.910.210.241.53-31.931.08金丰投资19.447.0173.340.260.307.0271.2212.73新黄浦7.615.9239.640.160.174.2014.777.91浦东金桥4.243.9937.300.200.253.98-9.244.69外高桥1.6731.9249.050.030.051.06-21.740.24中华企业8.786.2857.4

4、20.170.193.5875.292.93渝开发A0.22.2463.400.090.151.07-12.560.29辽房天8.123.9869.100.100.722.65-35.833.16粵宏远A0.421.1637.420.090.151.5919.180.43ST中福5.176.6265.480.160.211.33-19.9123.74倍特高新0.722.7665.390.300.421.248.400.70三木集团5.994.5365.170.740.884.1475.360.87寰岛实业0.420

5、.2024.030.020.03-8.18-71.330.42中关村9.324.4867.760.320.3716.42-29.424.09信息技术业中兴通讯18.7811.0969.150.931.084.7980.8023.27长城电脑14.949.4845.531.141.859.5134.4735.93青鸟华光9.7888.7036.670.280.3913.1128.367.87清华同方15.919.0834.190.851.1915.6198.9295.66永鼎光缆9.48.6732.750.791.2

6、513.4941.756.33宏图高科14.577.9665.860.760.943.9554.4515.71海星科技4.063.3536.490.480.604.64-16.281.69方正科技27.4816.6957.132.512.877.4063.2732.02复华实业5.584.1044.240.280.413.7712.922.301•向量分析：analyze——descriptivestatistics—descriptiwes—options—variance•得如下表:DescriptiveSta

7、tisticsMeanStd.DeviationN净资产收益率9.696.70835总资产报酬率7.244.36935资产负债率47.1215.20035总资产周转率.43.45635流动资产周转率.77.68135己获利息倍数8.318.42335销售增长率18.0038.03235资本积累率14.6821.86735Correlations净资产收益率总资产报酬率资产负债率总资产周转率流动资产周转率己获利息倍数销售增长率资本积累率净资产PearsonCorrelation1.891“.054.688•’曹夤.7

8、21.518“.651“.485“收益率...Sig.(2-tailed).000.757.000.000.001.000.003SumofSquaresand1530.003888.140188.40171.612112.056995.3495646.6032420.424Cross-productsCovariance45.00026.1225.5412