recur_on_day_of_year {almanac} | R Documentation |
Recur on a day of the year
Description
recur_on_day_of_year()
recurs on a specific day of the year.
Usage
recur_on_day_of_year(x, day)
Arguments
x |
A recurrence rule. |
day |
Days of the year to recur on. Values must be from |
Value
An updated rrule.
Examples
library(lubridate, warn.conflicts = FALSE)
on_5th_day_of_year <- yearly() %>% recur_on_day_of_year(5)
alma_search("1999-01-01", "2000-12-31", on_5th_day_of_year)
# Notice that if you use a `since` date that has a day of the year
# after the specified one, it rolls to the next year
on_5th_day_of_year2 <- yearly(since = "1999-01-06") %>% recur_on_day_of_year(5)
alma_search("1999-01-01", "2000-12-31", on_5th_day_of_year2)
# Negative values select from the back, which is useful in leap years
leap_year(as.Date("2000-01-01"))
last_day_of_year <- yearly() %>% recur_on_day_of_year(-1)
last_day_of_year_bad <- yearly() %>% recur_on_day_of_year(365)
alma_search("1999-01-01", "2000-12-31", last_day_of_year)
alma_search("1999-01-01", "2000-12-31", last_day_of_year_bad)
[Package almanac version 1.0.0 Index]