如何提取R语言数据框的列名

Answer 1

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)

Answer 2

CString s;GetDlgItemText(IDC_EDIT1,s);

Answer 3

colnames[]