Various date utilities
Date()
mirrors primitive contructors in base R (double()
, character()
etc.)
is.Date(x) Date(length = 0L) NA_Date_
x |
an R object |
length |
A non-negative number specifying the desired length. Supplying an argument of length other than one is an error. |
An object of class Date
of length 1.
is.Date(as.Date("2009-08-03")) # TRUE is.Date(difftime(now() + 5, now())) # FALSE
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