R/n_countries.R

In etc5523-2020/r-package-assessment-1029YanMa: Communicating With Data Course Assignment COVID19 Data Explore Package

Defines functions n_countries

Documented in n_countries

#' Count the number of countries
#'
#' @param data a data containing a country column
#'
#' @export
#'
n_countries <- function(data){
  dplyr::n_distinct(data$country)
}