R/covid19.R
isoweek2date.Rd
Converts ISO week (e.g., 202009) to date (e.g. 2020-02-24)
isoweek2date(isoweeks, day)
vector of isoweeks in the format YYYYMM.
integer between 1 (Mondays) and 7 (Sundays).
Date.