aion (version 1.3.0)

calendar_get: Calendar Parameters

Description

Calendar Parameters

Usage

calendar_label(object)
calendar_name(object)
calendar_unit(object)
calendar_epoch(object)
calendar_fixed(object)
calendar_direction(object)
calendar_year(object)
# S4 method for TimeScale
calendar_label(object)
# S4 method for TimeScale
calendar_name(object)
# S4 method for TimeScale
calendar_unit(object)
# S4 method for TimeScale
calendar_epoch(object)
# S4 method for TimeScale
calendar_fixed(object)
# S4 method for TimeScale
calendar_direction(object)
# S4 method for NULL
calendar_direction(object)
# S4 method for TimeScale
calendar_year(object)

Value

• calendar_label() returns a character string giving the abbreviated label of the time scale.

• calendar_name() returns a character string giving the name of the time scale.

• calendar_unit() returns a character string giving the unit of the calendar.

• calendar_fixed() returns a length-one numeric vector giving the reference date of the calendar (in rata die).

• calendar_epoch() returns a length-one numeric vector giving the epoch year from which years are counted (starting date of the calendar, in years).

• calendar_direction() returns a length-one integer vector specifying if years are counted backwards (\(-1\)) or forwards (\(1\)) from epoch. Only the sign of calendar_direction() is relevant.

• calendar_year() returns a length-one numeric vector giving the average length of the year in solar days.

Arguments

object

A TimeScale object.

Author

N. Frerebeau

See Also

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

Examples

## Define time scales
calendar("BP")
calendar("AD")
calendar("julian")

## Shortcuts
BP()
AD()
J()