isoweek

week

week<-

Date-time must be a POSIXct, POSIXlt, Date, chron,
  yearmon, yearqtr, zoo, zooreg, timeDate, xts, its, ti,
  jul, timeSeries, and fts objects. Weeks is the number of
  complete seven day periods that have occured between the
  date and January 1st, plus one. isoweek returns the week
  as it would appear in the ISO 8601 system, which uses a
  reoccuring leap week.

manip

utilities

chron

Lubridate makes it easier to work with dates
    and times by providing functions to identify and parse
    date-time data, extract and modify components of a
    date-time (years, months, days, hours, minutes, and
    seconds), perform accurate math on date-times, handle
    time zones and Daylight Savings Time. Lubridate has a
    consistent, memorable syntax, that makes working with
    dates fun instead of frustrating.

week: Get/set weeks component of a date-time.

Description

Usage

Arguments

Value

Examples