floor_date
From lubridate v1.2.0
by Garrett Grolemund
Round date-times down.
floor_date takes a date-time object and rounds it down to the nearest integer value of the specified time unit. Users can specify whether to round down to the nearest second, minute, hour, day, week, month, or year.
Usage
floor_date(x,
unit = c("second", "minute", "hour", "day", "week", "month", "year"))
Arguments
- x
- a vector of date-time objects
- unit
- a character string specifying the time unit to be rounded to. Should be one of "second","minute","hour","day", "week", "month", or "year."
Value
- x with the appropriate units floored
See Also
Examples
x <- as.POSIXct("2009-08-03 12:01:59.23")
floor_date(x, "second")
# "2009-08-03 12:01:59 CDT"
floor_date(x, "minute")
# "2009-08-03 12:01:00 CDT"
floor_date(x, "hour")
# "2009-08-03 12:00:00 CDT"
floor_date(x, "day")
# "2009-08-03 CDT"
floor_date(x, "week")
# "2009-08-02 CDT"
floor_date(x, "month")
# "2009-08-01 CDT"
floor_date(x, "year")
# "2009-01-01 CST"
Community examples
Looks like there are no examples yet.