Is an Object a Calendar? — is • aion

Test inheritance relationships between an object and a calendar class.

Usage

is_gregorian(object)

is_julian(object)

# S4 method for ANY
is_gregorian(object)

# S4 method for ANY
is_julian(object)

Arguments

object: Any R object.

Value

A logical vector.

See also

Other calendar tools: calendar(), calendar_get, convert(), gregorian, julian()

Author

N. Frerebeau