R语言为数据框添加列名或行名
时间:2015-02-28 14:23:58
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1.添加列名
wts=c(1,1,1)
names(wts)=c("setosa","versicolor","virginica")
2.为矩阵添加列名和行名
wts=matrix(0,3,4)
row=c("row1","row2","row3")
column=c("setosa","versicolor","virginica")
dimnames(wts)=list(row,column)
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