year_day {clock} | R Documentation |
year_day()
constructs a calendar vector from the Gregorian
year and day of the year.
year_day(
year,
day = NULL,
hour = NULL,
minute = NULL,
second = NULL,
subsecond = NULL,
...,
subsecond_precision = NULL
)
year |
The year. Values |
day |
The day of the year. Values |
hour |
The hour. Values |
minute |
The minute. Values |
second |
The second. Values |
subsecond |
The subsecond. If specified, If using milliseconds, values If using microseconds, values If using nanoseconds, values |
... |
These dots are for future extensions and must be empty. |
subsecond_precision |
The precision to interpret |
Fields are recycled against each other.
Fields are collected in order until the first NULL
field is located. No
fields after the first NULL
field are used.
A year-day calendar vector.
# Just the year
x <- year_day(2019:2025)
x
year_day(2020, 1:10)
# Last day of the year, accounting for leap years
year_day(2019:2021, "last")
# Precision can go all the way out to nanosecond
year_day(2019, 100, 2, 40, 45, 200, subsecond_precision = "nanosecond")