r語言怎么改dateframe符合網(wǎng)頁查看
r語言怎么改dateframe符合網(wǎng)頁查看?
叮當(dāng)貓咪
2018-12-14 19:15:42
TA貢獻(xiàn)1829條經(jīng)驗 獲得超4個贊
> format(t$dates[1], "%Y")
[1] "2011"
> format(t$dates[1], "%m")
[1] "01"
> format(t$dates[1], "%d")
[1] "29"
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