This is an substitute for the %V and %u formats which are not implemented on Windows. In addition, the package offers functions to convert from standard calender format yyyy-mm-dd to and from ISO 8601 week format yyyy-Www-d.
https://anaconda.org/r/r-isoweek/badges/version.svg
https://anaconda.org/r/r-isoweek/badges/latest_release_date.svg
https://anaconda.org/r/r-isoweek/badges/latest_release_relative_date.svg
https://anaconda.org/r/r-isoweek/badges/platforms.svg
https://anaconda.org/r/r-isoweek/badges/license.svg
https://anaconda.org/r/r-isoweek/badges/downloads.svg