R Cran Isoweek
This GNU R package offers functions to convert from standard calendar format yyyy-mm-dd to and from ISO 8601 week format yyyy-Www-d. It also provides the %V and %u formats in a portable manner.
This GNU R package offers functions to convert from standard calendar format yyyy-mm-dd to and from ISO 8601 week format yyyy-Www-d. It also provides the %V and %u formats in a portable manner.