R語言爲數據框添加列名或行名

1.添加列名html wts=c(1,1,1)post names(wts)=c("setosa","versicolor","virginica")spa 2.爲矩陣添加列名和行名htm wts=matrix(0,3,4)blog row=c("row1","row2","row3")get column=c("setosa","versicolor","virginica")it dimnam
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