Checks whether day basis conventions are valid. Supported day basis
conventions are documented in year_frac()
is_valid_day_basis(day_basis)
| day_basis | A character vector of day basis conventions. |
|---|
will return TRUE for day_basis elements that are any of the
following: 30/360, 30/360us, 30e/360,
30e/360isda, 30e+/360, act/360, act/365 and
act/actisda. Otherwise will return FALSE
Other counter methods: actual_360,
actual_365,
actual_actual_isda,
thirty_360_eu_isda,
thirty_360_eu_plus,
thirty_360_eu, thirty_360_us,
thirty_360, year_frac
#> [1] FALSE