主成分分析函数 [pc,la,tent]=princomp(b)如何确定贡献值与原指标的对应关系
MATLAB中=princomp(b)函数得出结果如下:a = 2.0280 0.5531 0.0003 2.1288 0.6265 0.0001 8.3973 0.5850 0.0003
>> b=zscore(a)
b = -0.5911 -0.9542 0.3166 -0.5635 1.0402 -1.1200 1.1546 -0.0860 0.8034
>> =princomp(b)pc = 0.4810 0.7462 -0.4602 -0.5322 0.6657 0.5231 0.6967 -0.0067 0.7174la = 0.4440 -1.0784 0 -1.6049 0.2795 0 1.1609 0.7989 0tent = 2.0603 0.9397 0>> tents=sum(tent)tents = 3.0000>> gxl=tent/tentsgxl = 0.6868 0.3132 0
根据这些数据如何找出累积贡献值的对应指标?
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