IsDate {DescTools} | R Documentation |
Check If an Object Is of Type Date
Description
Check if the given x is of any known Date type.
Usage
IsDate(x, what = c("either", "both", "timeVaries"))
Arguments
x |
a vector or values to be checked. |
what |
can be any value out of " |
Details
This checks for many known Date and Time classes: "POSIXt", "POSIXct", "dates", "times", "chron", "Date".
Value
logical vector of the same dimension as x.
Author(s)
Frank E Harrell
See Also
Examples
IsDate(as.Date("2013-04-10"))
IsDate(31002)
[Package DescTools version 0.99.55 Index]