lubridate (version 1.3.2)

round_date: Rounding for date-times.

Description

round_date takes a date-time object and rounds it to the nearest integer value of the specified time unit. Users can specify whether to round to the nearest second, minute, hour, day, week, month, or year.

Usage

round_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 rounded

See Also

floor_date, ceiling_date

Examples

Run this code
x <- as.POSIXct("2009-08-03 12:01:59.23")
round_date(x, "second")
# "2009-08-03 12:01:59 CDT"
round_date(x, "minute")
# "2009-08-03 12:02:00 CDT"
round_date(x, "hour")
# "2009-08-03 12:00:00 CDT"
round_date(x, "day")
# "2009-08-04 CDT"
round_date(x, "week")
# "2009-08-02 CDT"
round_date(x, "month")
# "2009-08-01 CDT"
round_date(x, "year")
# "2010-01-01 CST"

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