Coercion functions for creating difftime objects from other existing objects.

as.difftime(tim, ...)

# S3 method for default
as.difftime(tim, format = "%X", units = "auto", ...)

Arguments

tim

A vector specifying a time interval.

...

Other arguments passed on to methods.

format

A single character specifying the format of tim when it is a character. The default is a locale-specific time format.

units

A single character specifying units in which the results are desired. Required if tim is a numeric.

Value

A difftime object with an attribute indicating the units.

Details

This function overrides the non-generic as.difftime() function provided in base so that packages can provide methods for different data types. The default method call the base version.

Methods

See the following help topics for more details about individual methods:generics

  • coercion-time-difference: default

Examples

as.difftime(1:5, units = "secs")
#> Time differences in secs #> [1] 1 2 3 4 5
as.difftime(c("01:55:22", "01:55:25"))
#> Time differences in hours #> [1] 1.922778 1.923611
as.difftime("01", format = "%H")
#> Time difference of 1 hours
as.difftime("01", format = "%H", units = "secs")
#> Time difference of 3600 secs