R语言主成分分析--基于ade4程序包

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大数据r语言 |
分类: R语言 |
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url<-"climatewine.csv"
climatewine<-read.table(url,sep="\t",header=TRUE)
attach(climatewine)
names(climatewine)
X<-as.matrix(climatewine[,-c(1,6)])
require(ade4)
rownames(X)<-climatewine[,1]
res<-dudi.pca(X)
2
scatter(res)
s.class(res$li,as.factor(climatewine[,6]))
gcol = c(1, 2, 3)
s.class(res$li,as.factor(climatewine[,6]),col=gcol)
s.class(res$li,as.factor(climatewine[,6]),col=gcol)
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