Parse a "Mon YYYY" string to a Date
Examples
parse_monyear("Apr 2015")
#> [1] "2015-04-01"
parse_monyear(c("Jan 2020", "Feb 2020", "Mar 2020"))
#> [1] "2020-01-01" "2020-02-01" "2020-03-01"
Parse a "Mon YYYY" string to a Date
parse_monyear("Apr 2015")
#> [1] "2015-04-01"
parse_monyear(c("Jan 2020", "Feb 2020", "Mar 2020"))
#> [1] "2020-01-01" "2020-02-01" "2020-03-01"