create_age_group_levels.Rd
This function returns a character vector with age_group levels based on the data provided. It uses the age_format_check() and complete_agegrp_arr() functions to create the levels
create_age_group_levels(df)
A data frame containing an 'age_group' variable.
character vector containing all age_group levels
if (FALSE) {
# Example usage:
data_frame <- data.frame(age = c(2, 6, 16), age_group = c("01-05", "6-10", "16-20"))
create_age_group_levels(data_frame)
}