数据分析实验报告8 主成分分析

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1、学号：100111114班级：信息101姓名：赵永光实验八主成分分析一、实验目的和要求能利用原始数据与相关矩阵、协主差矩阵作主成分分析,并能理解标准化变量主成分与原始数据主成分的联系与区别；能根据SAS输出结果选出满足要求的几个主成分．实验要求:编写程序，结果分析．实验内容：书上4.54.64.5dataexamp4_5;inputidx1-x8;cards;18.3523.537.518.6217.4210.001.0411.2129.2523.756.619.1917.7710.481.7210.5138.1930.504.729.7816.287.602.52

2、10.3247.7329.205.429.4319.298.492.5210.0059.4227.938.208.1416.179.421.559.7669.1627.989.019.3215.999.101.8211.35710.0628.6410.5210.0516.188.391.9610.8189.0928.127.409.6217.2611.122.4912.6599.4128.205.7710.8016.3611.561.5312.17108.7028.127.2110.5319.4513.301.6611.96116.9329.854.549.4916

3、.6210.651.8813.61128.6736.057.317.7516.6711.682.3812.88139.9837.697.018.9416.1511.080.8311.67146.7738.696.018.8214.7911.441.7413.23158.1437.759.618.4913.159.761.2811.28167.6735.718.048.3115.137.761.4113.25177.9039.778.4912.9419.2711.052.0413.29187.1840.917.328.9417.6012.751.1414.80198.

4、8233.707.5910.9818.8214.731.7810.10206.2535.024.726.2810.037.151.9310.392110.6052.417.709.9812.5311.702.3114.69227.2752.653.849.1613.0315.261.9814.572313.4555.855.507.459.559.522.2116.302410.8544.687.3214.5117.1312.081.2611.57257.2145.797.6610.3616.5612.862.2511.69267.6850.3711.3513.30

5、19.2514.592.7514.87277.7848.448.0020.5122.1215.731.1516.61287.9439.6520.9720.8222.5212.411.757.90298.2864.348.0022.2220.0615.120.7222.893012.4776.395.5211.2414.5222.005.4625.50学号：100111114班级：信息101姓名：赵永光;run;proccorrcovnosimpledata=examp4_5;varx1-x8;run;procprincompdata=examp4_5prefix=y

6、out=bb;varx1-x8;run;procplotdata=bb;ploty2*y1$id='*';procsortdata=bb;bydescendingy1;run;procprintdata=bb;varidy1y2x1-x8;run;输出结果：1、样本相关系数矩阵CorrelationMatrixx1x2x3x4x5x6x7x8x11.00000.3336-.0545-.0613-.28940.19880.34870.3187x20.33361.0000-.02290.3989-.15630.71110.41360.8350x3-.0545-.0229

7、1.00000.53330.49680.0328-.1391-.2584x4-.06130.39890.53331.00000.69840.4679-.17130.3128x5-.2894-.15630.49680.69841.00000.2801-.2083-.0812x60.19880.71110.03280.46790.28011.00000.41680.7016x70.34870.4136-.1391-.1713-.20830.41681.00000.3989x80.31870.8350-.25840.3128-.08120.70160.39891.00