Make Ethiopian date from year, month and day components.
Usage
eth_make_date(year, month, day)
Value
a vector of an 'ethdate' object.
Arguments
year
an integer vector of Ethiopian year.
month
an integer vector of Ethiopian month.
day
an integer vector of Ethiopian day.
Author
Gutama Girja Urago
Details
This function makes an Ethiopian date object from three integer vectors of an equal length.
It validates the date and returns NA for invalid dates. It accounts for leap years.