Package index

Package overview

datey() start_day() mid_day() end_day(): Create a datey
durationy(): Create a durationy from an annual duration
seq(<datey>) seq(<durationy>): Create datey or durationy sequence vector
c(<datey>) c(<durationy>) c(<datey_interval>): Combine multiple datey, durationy or datey_interval vectors
`[`(<datey>) `[`(<durationy>) `[`(<datey_interval>) `[<-`(<datey>) `[<-`(<durationy>) `[<-`(<datey_interval>): Subset datey, durationy or datey_interval vectors

to_ymdf() `$`(<datey>): Get year, month, day or day_fraction breakdown of a datey
is_datey() is_datey_interval() is_durationy(): Is x a datey, durationy or datey_interval?
is_start_day() is_mid_day(): Is a datey the start (or end) or middle of a day?
is_leap_year(): Is x a leap year?

as.double(<datey>) as.integer(<datey>): Convert a datey to calendar years (including fractional part)
as.double(<durationy>) as.integer(<durationy>): Convert a durationy to duration in years

Ops(<datey_type>): Operators for datey, durationy and datey_interval
mean(<datey_interval>) mean(<datey>) mean(<durationy>): Mean value of datey or durationy
Summary(<datey_interval>) Summary(<datey>) Summary(<durationy>): Minimum, maximum or range of datey or durationy

datey_interval() `%to%`: Create a datey_interval
is_proper() all_proper() is_collapsed() all_collapsed() any_collapsed(): Properties of a datey_interval
`$`(<datey_interval>): Get the start, end or duration of a datey_interval
interval_includes() `%includes%`: Whether a datey_interval includes a datey
all_of_time: 'All of time' — the maximum valid datey_interval

as.character(<datey>) format(<datey>) print(<datey>): Format or print a datey
as.character(<durationy>) format(<durationy>) print(<durationy>): Format or print a durationy
as.character(<datey_interval>) format(<datey_interval>) print(<datey_interval>): Format or print a datey_interval

is.na(<datey>) anyNA(<datey>) is.na(<datey_interval>) anyNA(<datey_interval>) is.na(<durationy>) anyNA(<durationy>): Whether datey, durationy or datey_interval are NA
NA_datey_ NA_datey_interval_ NA_durationy_: The datey, durationy and datey_interval versions of NA
valid_years_start valid_years_end valid_duration_years_max: Integer constants