The minimum of a set of dates

min.Date returns an integer and Inf for a set of NA dates. This is usually inconvenient.

Usage

min_date(x, ...)

Arguments

x

a vector of dates

...

ignored

Value

a date. 9999-12-31 if there is no well defined minimum.

Examples

min_date(NA)
#> [1] "9999-12-31"