Create or coerce using yeartrimester().
Usage
yeartrimester(x, academic_start = 1)
make_yeartrimester(year = 1970L, trimester = 1L, academic_start = 1)
is_yeartrimester(x)
academic_year(x)
Arguments
- x
A date.
- academic_start
A numeric indicating the starting month of the academic
year.
- year, trimester
A vector of numerics which give year and trimester
values.
Value
A year-trimester (yeartrimester) object.
Display
Use format() to display yeartrimester objects in desired format.
Examples
# `academic_year()` helps to extract academic year
y <- yeartrimester(as.Date("2020-06-01"), academic_start = 6)
academic_year(y)
#> [1] 2021
lubridate::year(y) # calendar years
#> [1] 2020
