Is x a POSIXct or POSIXlt object?
Description Usage Arguments Value See Also Examples
Is x a length of time?
1 | is.timespan(x)
|
x |
an R object |
TRUE if x is a period, interval, duration, or difftime object, FALSE otherwise.
is.instant, is.duration, is.difftime, is.period, is.interval
1 2 | is.timespan(as.Date("2009-08-03")) # FALSE
is.timespan(duration(second = 1)) # TRUE
|
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