通常我用这个:如何生成日期序列格式dd/mm/yy或%d%m%y?
seq(as.Date("01/01/1964"), as.Date("01/12/1964"), "months", format = "%d%m%Y", tz = "UTC")
,但我收到这样的:
[1] "0001-01-19" "0001-02-19" "0001-03-19" "0001-04-19" "0001-05-19" "0001-06-19" "0001-07-19" "0001-08-19" "0001-09-19"
[10] "0001-10-19" "0001-11-19" "0001-12-19"
我试着从别人ANS lubridate等提示,但不工作。
在此先感谢。
EDIT
@ r2evans ANS:
format(seq(as.Date('1964/01/01'), as.Date('1964/12/01'), 'months'), format="%d-%m-%Y", tz="UTC")
[1] "01-01-1964" "01-02-1964" "01-03-1964" "01-04-1964" "01-05-1964" "01-06-1964" "01-07-1964" "01-08-1964" "01-09-1964"
[10] "01-10-1964" "01-11-1964" "01-12-1964"
尝试'seq(as.Date(“1964-01-01”),as.Date(“1964-12-01”),“month”)' –
@ r2evans帮助我,格式化(.. .....,format = ...) –