How to convert in both directions between year,month,day and dates in R?

Question

How to convert between year,month,day and dates in R?

I know one can do this via strings, but I would prefer to avoid converting to strings, partly because maybe the

Answer 1

I'm a bit late to the party, but one other way to convert from integers to date is the lubridate::make_date function. See the example below from R for Data Science:

library(lubridate)
library(nycflights13)
library(tidyverse)

a <- flights %>%
  mutate(date = make_date(year, month, day))