Exact Date and Duration Arithmetic on an Annual Grid

Documentation for package ‘datey’ version 0.1.0

Help Pages

-- A --

all_collapsed	Properties of a 'datey_interval'
all_collapsed.datey_interval	Properties of a 'datey_interval'
all_collapsed.default	Properties of a 'datey_interval'
all_of_time	'All of time' — the maximum valid 'datey_interval'
all_proper	Properties of a 'datey_interval'
all_proper.datey_interval	Properties of a 'datey_interval'
all_proper.default	Properties of a 'datey_interval'
anyNA.datey	Whether 'datey', 'durationy' or 'datey_interval' are NA
anyNA.datey_interval	Whether 'datey', 'durationy' or 'datey_interval' are NA
anyNA.durationy	Whether 'datey', 'durationy' or 'datey_interval' are NA
any_collapsed	Properties of a 'datey_interval'
any_collapsed.datey_interval	Properties of a 'datey_interval'
any_collapsed.default	Properties of a 'datey_interval'
as.character.datey	Format or print a 'datey'
as.character.datey_interval	Format or print a 'datey_interval'
as.character.durationy	Format or print a 'durationy'
as.double.datey	Convert a 'datey' to calendar years (including fractional part)
as.double.durationy	Convert a 'durationy' to duration in years
as.integer.datey	Convert a 'datey' to calendar years (including fractional part)
as.integer.durationy	Convert a 'durationy' to duration in years
as_years_datey	Convert a 'datey' to calendar years (including fractional part)
as_years_durationy	Convert a 'durationy' to duration in years

-- C --

c.datey	Combine multiple 'datey', 'durationy' or 'datey_interval' vectors
c.datey_interval	Combine multiple 'datey', 'durationy' or 'datey_interval' vectors
c.durationy	Combine multiple 'datey', 'durationy' or 'datey_interval' vectors
combine	Combine multiple 'datey', 'durationy' or 'datey_interval' vectors

-- D --

datey	Create a 'datey'
datey.character	Create a 'datey'
datey.Date	Create a 'datey'
datey.datey	Create a 'datey'
datey.default	Create a 'datey'
datey.double	Create a 'datey'
datey.integer	Create a 'datey'
datey.POSIXct	Create a 'datey'
datey.POSIXlt	Create a 'datey'
datey_components	Get year, month, day or day_fraction breakdown of a 'datey'
datey_interval	Create a 'datey_interval'
datey_interval.datey	Create a 'datey_interval'
datey_interval.datey_interval	Create a 'datey_interval'
datey_interval.default	Create a 'datey_interval'
datey_interval.double	Create a 'datey_interval'
datey_interval.integer	Create a 'datey_interval'
datey_interval.logical	Create a 'datey_interval'
durationy	Create a 'durationy' from an annual duration
durationy.character	Create a 'durationy' from an annual duration
durationy.datey_interval	Create a 'durationy' from an annual duration
durationy.default	Create a 'durationy' from an annual duration
durationy.double	Create a 'durationy' from an annual duration
durationy.durationy	Create a 'durationy' from an annual duration
durationy.integer	Create a 'durationy' from an annual duration

-- E --

end_day

Create a 'datey'

-- F --

format.datey	Format or print a 'datey'
format.datey_interval	Format or print a 'datey_interval'
format.durationy	Format or print a 'durationy'

-- I --

integer_constants	Integer constants
interval_includes	Whether a 'datey_interval' includes a 'datey'
interval_nature	Properties of a 'datey_interval'
interval_properties	Get the start, end or duration of a 'datey_interval'
is.na.datey	Whether 'datey', 'durationy' or 'datey_interval' are NA
is.na.datey_interval	Whether 'datey', 'durationy' or 'datey_interval' are NA
is.na.durationy	Whether 'datey', 'durationy' or 'datey_interval' are NA
is_collapsed	Properties of a 'datey_interval'
is_collapsed.datey_interval	Properties of a 'datey_interval'
is_collapsed.default	Properties of a 'datey_interval'
is_datey	Is 'x' a 'datey', 'durationy' or 'datey_interval'?
is_datey_interval	Is 'x' a 'datey', 'durationy' or 'datey_interval'?
is_durationy	Is 'x' a 'datey', 'durationy' or 'datey_interval'?
is_leap_year	Is 'x' a leap year?
is_leap_year.Date	Is 'x' a leap year?
is_leap_year.datey	Is 'x' a leap year?
is_leap_year.default	Is 'x' a leap year?
is_leap_year.double	Is 'x' a leap year?
is_leap_year.integer	Is 'x' a leap year?
is_leap_year.POSIXct	Is 'x' a leap year?
is_leap_year.POSIXlt	Is 'x' a leap year?
is_mid_day	Is a 'datey' the start (or end) or middle of a day?
is_NA	Whether 'datey', 'durationy' or 'datey_interval' are NA
is_proper	Properties of a 'datey_interval'
is_proper.datey_interval	Properties of a 'datey_interval'
is_proper.default	Properties of a 'datey_interval'
is_start_day	Is a 'datey' the start (or end) or middle of a day?
is_type	Is 'x' a 'datey', 'durationy' or 'datey_interval'?
is_xxx_day	Is a 'datey' the start (or end) or middle of a day?

-- M --

max_min	Minimum, maximum or range of 'datey' or 'durationy'
mean	Mean value of 'datey' or 'durationy'
mean.datey	Mean value of 'datey' or 'durationy'
mean.datey_interval	Mean value of 'datey' or 'durationy'
mean.durationy	Mean value of 'datey' or 'durationy'
mid_day	Create a 'datey'

-- N --

NAs	The 'datey', 'durationy' and 'datey_interval' versions of NA
NA_datey_	The 'datey', 'durationy' and 'datey_interval' versions of NA
NA_datey_interval_	The 'datey', 'durationy' and 'datey_interval' versions of NA
NA_durationy_	The 'datey', 'durationy' and 'datey_interval' versions of NA

-- O --

ops	Operators for 'datey', 'durationy' and 'datey_interval'
Ops.datey_type	Operators for 'datey', 'durationy' and 'datey_interval'

-- P --

print.datey	Format or print a 'datey'
print.datey_interval	Format or print a 'datey_interval'
print.durationy	Format or print a 'durationy'

-- S --

seq	Create 'datey' or 'durationy' sequence vector
seq.datey	Create 'datey' or 'durationy' sequence vector
seq.durationy	Create 'datey' or 'durationy' sequence vector
start_day	Create a 'datey'
subset	Subset 'datey', 'durationy' or 'datey_interval' vectors
Summary.datey	Minimum, maximum or range of 'datey' or 'durationy'
Summary.datey_interval	Minimum, maximum or range of 'datey' or 'durationy'
Summary.durationy	Minimum, maximum or range of 'datey' or 'durationy'

-- T --

text_from_datey	Format or print a 'datey'
text_from_datey_interval	Format or print a 'datey_interval'
text_from_durationy	Format or print a 'durationy'
to_ymdf	Get year, month, day or day_fraction breakdown of a 'datey'

-- V --

valid_duration_years_max	Integer constants
valid_years_end	Integer constants
valid_years_start	Integer constants

-- misc --

$.datey	Get year, month, day or day_fraction breakdown of a 'datey'
$.datey_interval	Get the start, end or duration of a 'datey_interval'
%includes%	Whether a 'datey_interval' includes a 'datey'
%to%	Create a 'datey_interval'
[.datey	Subset 'datey', 'durationy' or 'datey_interval' vectors
[.datey_interval	Subset 'datey', 'durationy' or 'datey_interval' vectors
[.durationy	Subset 'datey', 'durationy' or 'datey_interval' vectors
[<-.datey	Subset 'datey', 'durationy' or 'datey_interval' vectors
[<-.datey_interval	Subset 'datey', 'durationy' or 'datey_interval' vectors
[<-.durationy	Subset 'datey', 'durationy' or 'datey_interval' vectors