make_difftime() creates a difftime object with the specified number of
units. Entries for different units are cumulative. difftime displays
durations in various units, but these units are estimates given for
convenience. The underlying object is always recorded as a fixed number of
Optional number of seconds
a character vector that lists the type of units to use for the
display of the return value (see examples). If
a list of time units to be included in the difftime and their amounts. Seconds,
minutes, hours, days, and weeks are supported. Normally only one of
Conceptually, difftime objects are a type of duration. 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. lubridate provides a second class for measuring durations, the Duration class.
a difftime object
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make_difftime(1) make_difftime(60) make_difftime(3600) make_difftime(3600, units = "minute") # Time difference of 60 mins make_difftime(second = 90) # Time difference of 1.5 mins make_difftime(minute = 1.5) # Time difference of 1.5 mins make_difftime(second = 3, minute = 1.5, hour = 2, day = 6, week = 1) # Time difference of 13.08441 days make_difftime(hour = 1, minute = -60) # Time difference of 0 secs make_difftime(day = -1) # Time difference of -1 days make_difftime(120, day = -1, units = "minute") # Time differences in mins
Attaching package: 'lubridate' The following object is masked from 'package:base': date Time difference of 1 secs Time difference of 1 mins Time difference of 1 hours Time difference of 60 mins Time difference of 1.5 mins Time difference of 1.5 mins Time difference of 13.08441 days Time difference of 0 secs Time difference of -1 days Time differences in mins  2 -1440
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