20220524 To extract just the date from a date time
object we can use lubridate::date(). We’ll use lubridate::now() to
generate a date time object, svaed into the variable
illustrate lubridate::date(). The function can also be applied to a
vector (column) of data.
<- now() timestamp <- date(timestamp) day day
##  "2022-09-07"
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