isoweekStart: Calculate the start date of a given ISO week
Description
This function takes a vector of ISO week numbers (of the form YYYYWW) and returns a Date
vector with the first Monday of each week. It is essentially the inverse function of
isoweek.
Usage
isoweekStart(x)
Arguments
x
A numeric vector of ISO week numbers (of format YYYYWW)
Value
A vector of class Date and length equal to x, containing the
start date (first Monday) of each ISO week.