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Convert 4 digit year to 2 digit year

原文 2015-10-01 02:37:20 9 1 r/ date/ calendar/ 2-digit-year

fourdigityear<-c("2003/7/15","2009/6/12")

我应该如何将4位数字的年份转换为2位数字的年份，以便最终得到类似“ 7/15/03”，“ 12/6/09”的信息。

1 answers

First make your data into Date s:

fdy <- as.Date(fourdigityear, format='%Y/%m/%d')

Then convert format

as.character(fdy, format = '%m/%d/%y')
#  "07/15/03" "06/12/09"

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