如何在R中创建一个日期范围(How to create a range of dates in R)
从两个整数(1, 5)可以按照以下方式创建一个范围
1:5[1] 1 2 3 4 5
如果您提供两个日期("2014-09-04 JST", "2014-09-11 JST")如何制作一系列日期
输出必须是
[1](“2014-09-04 JST”,“2014-09-05 JST”,“2014-09-06 JST”,“2014-09-07 JST”,“2014-09-08 JST”)
From two integers (1, 5) one can create a range in the following way
1:5[1] 1 2 3 4 5
How can you make a range of dates if you are give two dates ("2014-09-04 JST", "2014-09-11 JST")
The output must be
[1] ("2014-09-04 JST", "2014-09-05 JST", "2014-09-06 JST", "2014-09-07 JST", "2014-09-08 JST")
最满意答案
这有帮助吗?
seq(as.Date("2014/09/04"), by = "day", length.out = 5) # [1] "2014-09-04" "2014-09-05" "2014-09-06" "2014-09-07" "2014-09-08"编辑:添加关于时区的内容
这适用于我目前的时区
seq(c(ISOdate(2014,4,9)), by = "DSTday", length.out = 5) #[1] "2014-04-09 08:00:00 EDT" "2014-04-10 08:00:00 EDT" "2014-04-11 08:00:00 EDT" "2014-04-12 08:00:00 EDT" #[5] "2014-04-13 08:00:00 EDT"EDIT2:
OlsonNames() # I used this to find out what to write for the JST tz - it's "Japan" x <- as.POSIXct("2014-09-04 23:59:59", tz="Japan") format(seq(x, by="day", length.out=5), "%Y-%m-%d %Z") # [1] "2014-09-04 JST" "2014-09-05 JST" "2014-09-06 JST" "2014-09-07 JST" "2014-09-08 JST"Does this help?
seq(as.Date("2014/09/04"), by = "day", length.out = 5) # [1] "2014-09-04" "2014-09-05" "2014-09-06" "2014-09-07" "2014-09-08"edit: adding in something about timezones
this works for my current timezone
seq(c(ISOdate(2014,4,9)), by = "DSTday", length.out = 5) #[1] "2014-04-09 08:00:00 EDT" "2014-04-10 08:00:00 EDT" "2014-04-11 08:00:00 EDT" "2014-04-12 08:00:00 EDT" #[5] "2014-04-13 08:00:00 EDT"edit2:
OlsonNames() # I used this to find out what to write for the JST tz - it's "Japan" x <- as.POSIXct("2014-09-04 23:59:59", tz="Japan") format(seq(x, by="day", length.out=5), "%Y-%m-%d %Z") # [1] "2014-09-04 JST" "2014-09-05 JST" "2014-09-06 JST" "2014-09-07 JST" "2014-09-08 JST"更多推荐
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