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MatlabÈí¼þÓÐûÓлáµÄ£¬Çó°ïÖú£¬Ö÷³É·Ö·ÖÎö ÎÒд³öÁ˳ÌÐò£¬µ«ÊDz»ÖªµÀÔõô½âÊÍ£¬ÓÐûÓдóÉñ°ïÎÒ¿´¿´ÔËÐнá¹ûʲôÒâ˼£¡ x=[30,33.9,37,41.7,45;40.9,41.3,44,45.1,49;31,37.5,41.8,40.8,37.3;28.5,31,36.5,40.2,48;22,37.5,46,55.5,59.7]; stdr=std(x) [n,m]=size(x); sddata=x./stdr(ones(n,1), [p,princ,egenvalue]=princomp(sddata); p=p(:,1:5) sc=princ(:,1:5) egenvalue per=100*egenvalue/sum(egenvalue) stdr = 6.7990 3.9278 4.2093 6.3493 8.0805 sddata = 4.4124 8.6307 8.7901 6.5677 5.5689 6.0156 10.5147 10.4531 7.1032 6.0640 4.5595 9.5472 9.9305 6.4260 4.6160 4.1918 7.8924 8.6713 6.3315 5.9402 3.2357 9.5472 10.9282 8.7412 7.3881 p = -0.1525 0.6704 0.6029 0.0849 0.3957 0.3632 0.5891 -0.1478 -0.4633 -0.5336 0.5392 0.2622 -0.3438 0.7100 0.1352 0.5767 -0.1756 -0.0010 -0.4931 0.6272 0.4706 -0.3225 0.7046 0.1759 -0.3836 sc = -1.1576 -0.4575 @ÔÂÖ»À¶ ·¢×ÔСľ³æAndroid¿Í»§¶Ë |
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