new_duration

0th

Percentile

Create a duration object.

new_duration creates a duration object with the specified values. Entries for different units are cumulative. durations display as the number of seconds in a time span. When this number is large, durations also display an estimate in larger units,; however, the underlying object is always recorded as a fixed number of seconds. For display and creation purposes, units are converted to seconds using their most common lengths in seconds. Minutes = 60 seconds, hours = 3600 seconds, days = 86400 seconds, weeks = 604800. Units larger than weeks are not used due to their variability.

Keywords
classes, chron
Usage
new_duration(num = 0, ...)
Arguments
num
the number of seconds to be included in the duration (if not listing time units).
...
a list of time units to be included in the duration and their amounts. Seconds, minutes, hours, days, and weeks are supported.
Details

new_duration is meant to be used interactively on the command line. See duration, for a version that is better suited to automating within a function.

Durations record the exact number of seconds in a time span. They measure the exact passage of time but do not always align with measurements made in larger units of time such as hours, months and years. This is because the length of larger time units can be affected by conventions such as leap years and Daylight Savings Time. Base R provides a second class for measuring durations, the difftime class.

Duration objects can be easily created with the helper functions dweeks, ddays, dminutes, dseconds. These objects can be added to and subtracted to date- times to create a user interface similar to object oriented programming.

Value

  • a duration object

See Also

duration, as.duration

Aliases
  • new_duration
Examples
new_duration(second = 90)
# 90s
new_duration(minute = 1.5)
# 90s
new_duration(second = 3, minute = 1.5, hour = 2, day = 6, week = 1)
# 1130493s (~13.08 days)
new_duration(hour = 1, minute = -60)
# 0s
new_duration(day = -1)
# -86400s (~-1 days)
Documentation reproduced from package lubridate, version 1.2.0, License: GPL

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