Function reference • aion

Calendars

calendar(): Calendar

calendar_label() calendar_name() calendar_unit() calendar_epoch() calendar_fixed() calendar_direction(): Calendar Parameters

convert(): Calendar Converter

BP() b2k() BC() BCE() AD() CE(): Gregorian Calendar

is_gregorian() is_julian(): Is an Object a Calendar?

J(): Julian Calendar

Rata Die

Arith(<RataDie>,<RataDie>) Arith(<numeric>,<RataDie>) Arith(<RataDie>,<numeric>): Arithmetic Operators

as_date(): Date Conversion from Rata Die

as_decimal(): Converts a Date to a Decimal of its Year

as_fixed(): Coerce to Rata Die

as_year(): Year Conversion from Rata Die

fixed(): Rata Die (Fixed Date)

fixed_from_BP() fixed_to_BP() fixed_from_BC() fixed_to_BC() fixed_from_BCE() fixed_to_BCE() fixed_from_AD() fixed_to_AD() fixed_from_CE() fixed_to_CE() fixed_from_b2k() fixed_to_b2k(): Rata Die Conversion to and from Gregorian Years

fixed_from_julian() fixed_to_julian(): Rata Die Conversion to and from Julian Years

format(<TimeScale>) format(<RataDie>): Date Conversion to Character

pretty(<RataDie>): Pretty Breakpoints

Time Series

as.data.frame(<TimeSeries>): Coerce to a Data Frame

series(): Create Time Series

span(): Duration of Time Series

start(<TimeSeries>) end(<TimeSeries>): Terminal Times of Time Series

time(<TimeSeries>) frequency(<TimeSeries>): Sampling Times of Time Series

window(<TimeSeries>): Time Series Windows

Plotting Tools

image(<TimeSeries>): Heat Map

plot(<TimeSeries>,<missing>): Plot Time Series

year_axis(): Time Series Plotting Functions

Mutators

`[`(<RataDie>) `[`(<TimeSeries>): Extract or Replace Parts of an Object

Classes

RataDie-class .RataDie: RataDie

TimeScale-class .TimeScale: TimeScale

TimeSeries-class .TimeSeries: TimeSeries

Datasets

dates: Sample Data from Reingold and Dershowitz (2018)