"round"(x, units = c("secs", "mins", "hours", "days"))
"trunc"(x, units = c("secs", "mins", "hours", "days"), ...)
"round"(x, ...)
"trunc"(x, ...)
Arguments
x
an object inheriting from "POSIXt" or "Date".
units
one of the units listed. Can be abbreviated.
...
arguments to be passed to or from other methods, notably
digits for round.
Value
An object of class "POSIXlt" or "Date".
Details
The time is rounded or truncated to the second, minute, hour or day.
Time zones are only relevant to days, when midnight in the current
time zone is used.
The methods for class "Date" are of little use except to remove
fractional days.
See Also
round for the generic function and default methods.