Find ISO Week and Year of Date Objects
isoWeekYear.Rd
The function isoWeekYear
extracts the year and week of a
Date
according to the ISO 8601 specification.
Note
As from surveillance 1.17.0, this function simply
calls strftime
with format strings "%G"
and "%V"
, respectively, as this is nowadays (R >= 3.1.0)
also supported on Windows.