Various POSIX utilities
POSIXct()
mirrors primitive contructors in base R (double()
,
character()
etc.)
is.POSIXt(x) is.POSIXlt(x) is.POSIXct(x) POSIXct(length = 0L, tz = "UTC") NA_POSIXct_
x |
an R object |
length |
A non-negative number specifying the desired length. Supplying an argument of length other than one is an error. |
tz |
a timezone (defaults to "utc") |
An object of class POSIXct
(inherits from POSIXt
) of length 1.
TRUE if x is a POSIXct or POSIXlt object, FALSE otherwise.
is.POSIXt(as.Date("2009-08-03")) is.POSIXt(as.POSIXct("2009-08-03"))
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