epi_calendar: Get the epidemiological calendar of a consulted year.
Description
Function that returns the starting date of the epidemiological
weeks in a year of interest.
Usage
epi_calendar(year, jan_days = 4)
Value
A character array with the starting dates of the epidemiological
weeks of the given year.
Arguments
- year
A numeric value for the year of interest.
- jan_days
Number of January days that the first epidemiological week
must contains.