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x<-c(3.570610592,4.107022441,4.249821565,5.421042335,5.443434884,5.698908667,5.808387613,5.814230818,6.466983841,6.639928463,7.849212275,8.345372969,8.44271086,8.57715454,8.868679721,8.989827585)
dim(x)<-c(16,1)
d<-dist(x)
hc1<-hclust(d,"single"
opar<-par(mfrow=c(2,2))
plot(hc1, hang=-1);
par(opar)

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row.names(x)<-c("326","352","373","343","327","323","341","347","344","325","340","331","348","324","329","368"ÕâÑù¶¨ÒåÀϳö´í£¿
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