R: A Common Representation of Time Indices of Different Types

# A Common Representation of Time Indices of Different Types

## Documentation for package ‘tind’ version 0.2.4

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Code demos. Use demo() to run them.
- Package NEWS
- Package README

## Help Pages

A B C D E F H I J L M N O P Q R S T U W Y misc

tind-package | A Common Representation of Time Indices of Different Types

## -- A --

am | Time Index Components (Years, Months, Days, ...)
ampm_indicators | Calendar Names
as.character.tdiff | Time Differences
as.character.tind | Conversion of Objects of 'tind' Class
as.character.tinterval | Time Intervals
as.chron | Conversion between 'tind' and Other Time Index Representations
as.chron.tind | Conversion between 'tind' and Other Time Index Representations
as.data.frame.tdiff | Time Differences
as.data.frame.tind | Conversion of Objects of 'tind' Class
as.data.frame.tinterval | Time Intervals
as.date | Conversion to 'tind' Class
as.Date.tind | Conversion of Objects of 'tind' Class
as.dates | Conversion between 'tind' and Other Time Index Representations
as.dates.tind | Conversion between 'tind' and Other Time Index Representations
as.date_time | Conversion to 'tind' Class
as.double.tind | Conversion of Objects of 'tind' Class
as.IDate | Conversion between 'tind' and Other Time Index Representations
as.IDate.tind | Conversion between 'tind' and Other Time Index Representations
as.integer.tind | Conversion of Objects of 'tind' Class
as.ITime | Conversion between 'tind' and Other Time Index Representations
as.ITime.tind | Conversion between 'tind' and Other Time Index Representations
as.list.tinterval | Time Intervals
as.month | Conversion to 'tind' Class
as.POSIXct.tind | Conversion of Objects of 'tind' Class
as.POSIXlt.tind | Conversion of Objects of 'tind' Class
as.quarter | Conversion to 'tind' Class
as.regular | Working with Ordered and Regularly Spaced Time Indices
as.regular.tind | Working with Ordered and Regularly Spaced Time Indices
as.tdiff | Time Differences
as.tdiff.character | Time Differences
as.tdiff.difftime | Time Differences
as.tdiff.numeric | Time Differences
as.time | Conversion to 'tind' Class
as.timeDate | Conversion between 'tind' and Other Time Index Representations
as.timeDate.tind | Conversion between 'tind' and Other Time Index Representations
as.times | Conversion between 'tind' and Other Time Index Representations
as.times.tind | Conversion between 'tind' and Other Time Index Representations
as.tind | Conversion to 'tind' Class
as.tind.character | Conversion to 'tind' Class
as.tind.chron | Conversion between 'tind' and Other Time Index Representations
as.tind.data.frame | Conversion to 'tind' Class
as.tind.Date | Conversion to 'tind' Class
as.tind.dates | Conversion between 'tind' and Other Time Index Representations
as.tind.hms | Conversion between 'tind' and Other Time Index Representations
as.tind.IDate | Conversion between 'tind' and Other Time Index Representations
as.tind.ITime | Conversion between 'tind' and Other Time Index Representations
as.tind.numeric | Conversion to 'tind' Class
as.tind.POSIXct | Conversion to 'tind' Class
as.tind.POSIXlt | Conversion to 'tind' Class
as.tind.timeDate | Conversion between 'tind' and Other Time Index Representations
as.tind.times | Conversion between 'tind' and Other Time Index Representations
as.tind.tind | Conversion to 'tind' Class
as.tind.yearmon | Conversion between 'tind' and Other Time Index Representations
as.tind.yearqtr | Conversion between 'tind' and Other Time Index Representations
as.tinterval | Time Intervals
as.tinterval.character | Time Intervals
as.tinterval.data.frame | Time Intervals
as.tinterval.list | Time Intervals
as.tinterval.tinterval | Time Intervals
as.tzone | Get the Same Date and Time in a Different Time Zone
as.tzone.POSIXct | Get the Same Date and Time in a Different Time Zone
as.tzone.POSIXlt | Get the Same Date and Time in a Different Time Zone
as.tzone.tind | Get the Same Date and Time in a Different Time Zone
as.tzone.tinterval | Get the Same Date and Time in a Different Time Zone
as.week | Conversion to 'tind' Class
as.year | Conversion to 'tind' Class
as.yearmon | Conversion between 'tind' and Other Time Index Representations
as.yearmon.tind | Conversion between 'tind' and Other Time Index Representations
as.yearqtr | Conversion between 'tind' and Other Time Index Representations
as.yearqtr.tind | Conversion between 'tind' and Other Time Index Representations
as_hms | Conversion between 'tind' and Other Time Index Representations
as_hms.tind | Conversion between 'tind' and Other Time Index Representations
axis.tind | Add Time Axis - Plotting with 'graphics' Package
axis_t | Compute Time Axis Parameters for Plotting

## -- B --

bizday | Business Days
bizdays_in_month | Business Days
bizdays_in_quarter | Business Days
bizdays_in_year | Business Days
bizday_advance | Business Days
bizday_diff | Business Days

## -- C --

c.tdiff | Time Differences
c.tind | Basic Methods for 'tind' Class
c.tinterval | Time Intervals
calendar | Working with Custom Calendars
calendar-names | Calendar Names
calendars | Working with Custom Calendars
calendrical-computations | Calendrical Computations in 'tind' Package
ceiling_t | Rounding Time Indices
current-date-time | Current Date and Time
cut | Group Time Indices into Periods / Convert to a Factor
cut.tind | Group Time Indices into Periods / Convert to a Factor

## -- D --

date2num | Conversion between Dates and Their Integer Representations
date_time | Construct Date-Time Indices from Date and Time Components
date_time_split | Construct Date-Time Indices from Date and Time Components
day | Time Index Components (Years, Months, Days, ...)
daycount_frac | Differences Between Dates as Year Fractions / Accrual Factors
days | Time Differences
days_in_month | Time Index Properties (Leap Years, Period Lengths, DST)
days_in_quarter | Time Index Properties (Leap Years, Period Lengths, DST)
days_in_year | Time Index Properties (Leap Years, Period Lengths, DST)
day_of_week | Time Index Components (Years, Months, Days, ...)
day_of_year | Time Index Components (Years, Months, Days, ...)
diff | Lagged Differences for 'tind' and 'tdiff' Objects
diff.tdiff | Lagged Differences for 'tind' and 'tdiff' Objects
diff.tind | Lagged Differences for 'tind' and 'tdiff' Objects

## -- E --

easter | Calendrical Computations in 'tind' Package
eval_calendar | Working with Custom Calendars
extend_regular | Working with Ordered and Regularly Spaced Time Indices

## -- F --

first_bizday_in_month | Business Days
first_bizday_in_quarter | Business Days
floor_t | Rounding Time Indices
format | Conversion between Objects of 'tind' Class and Character Vectors
format.tdiff | Time Differences
format.tind | Conversion between Objects of 'tind' Class and Character Vectors
format.tinterval | Time Intervals

## -- H --

hour | Time Index Components (Years, Months, Days, ...)
hours | Time Differences
hours_in_day | Time Index Properties (Leap Years, Period Lengths, DST)

## -- I --

intersect_t | Set Operations on Time Intervals and Time Indices
is.dst | Time Index Properties (Leap Years, Period Lengths, DST)
is.instant | Get Time Index Type
is.leap_year | Time Index Properties (Leap Years, Period Lengths, DST)
is.ordered_t | Working with Ordered and Regularly Spaced Time Indices
is.ordered_t.tind | Working with Ordered and Regularly Spaced Time Indices
is.regular | Working with Ordered and Regularly Spaced Time Indices
is.regular.tind | Working with Ordered and Regularly Spaced Time Indices
is.tdiff | Time Differences
is.tind | A Common Representation of Time Indices of Different Types
is.tinterval | Time Intervals

## -- J --

jdn | Date and Date-Time Conversion to and from Julian Day Number (JDN)
jdn2tind | Date and Date-Time Conversion to and from Julian Day Number (JDN)

## -- L --

last_bizday_in_month | Business Days
last_bizday_in_quarter | Business Days
last_day_in_month | Calendrical Computations in 'tind' Package
last_day_in_quarter | Calendrical Computations in 'tind' Package
last_dw_in_month | Calendrical Computations in 'tind' Package
length<-.tind | Basic Methods for 'tind' Class

## -- M --

match_t | Matching Time Indices
Math.tdiff | Time Differences
mean.tdiff | Time Differences
merge | Merging Time-indexed Data
merge.tind | Merging Time-indexed Data
mins | Time Differences
minute | Time Index Components (Years, Months, Days, ...)
mnths | Time Differences
month | Time Index Components (Years, Months, Days, ...)
months.tind | Time Index Components (Years, Months, Days, ...)
month_names | Calendar Names

## -- N --

next_bizdays | Business Days
now | Current Date and Time
nth_day_of_year | Calendrical Computations in 'tind' Package
nth_dw_after | Calendrical Computations in 'tind' Package
nth_dw_before | Calendrical Computations in 'tind' Package
nth_dw_in_month | Calendrical Computations in 'tind' Package
num2date | Conversion between Dates and Their Integer Representations

## -- O --

Ops | Operations Involving Time Indices, Time Differences, and Time Intervals
Ops.tind | Operations Involving Time Indices, Time Differences, and Time Intervals
ordered-regular | Working with Ordered and Regularly Spaced Time Indices

## -- P --

parse_t | Parse Character Representation of Time Indices Given the Order of Components
pm | Time Index Components (Years, Months, Days, ...)
pretty | Pretty Breakpoints for Time Indices
pretty.tind | Pretty Breakpoints for Time Indices
print.tdiff | Time Differences
print.tind | Basic Methods for 'tind' Class
print.tinterval | Time Intervals

## -- Q --

qrtrs | Time Differences
quarter | Time Index Components (Years, Months, Days, ...)
quarters.tind | Time Index Components (Years, Months, Days, ...)

## -- R --

rep.tdiff | Time Differences
rep.tind | Basic Methods for 'tind' Class
resolution_t | Determine the Resolution of Time Indices
resolution_t.tind | Determine the Resolution of Time Indices
rounding | Rounding Time Indices
round_t | Rounding Time Indices

## -- S --

scale_tind | Time Scales for Plotting with 'ggplot2'
scale_x_tind | Time Scales for Plotting with 'ggplot2'
scale_y_tind | Time Scales for Plotting with 'ggplot2'
second | Time Index Components (Years, Months, Days, ...)
secs | Time Differences
seq | Create a Sequence of Time Indices
seq.tind | Create a Sequence of Time Indices
set-ops | Set Operations on Time Intervals and Time Indices
setdiff_t | Set Operations on Time Intervals and Time Indices
strptind | Conversion between Objects of 'tind' Class and Character Vectors
Summary.tdiff | Time Differences
summary.tdiff | Time Differences
summary.tind | Basic Methods for 'tind' Class
summary.tinterval | Time Intervals

## -- T --

tdiff | Time Differences
time-index-components | Time Index Components (Years, Months, Days, ...)
time-index-properties | Time Index Properties (Leap Years, Period Lengths, DST)
tind | A Common Representation of Time Indices of Different Types
tind-coercion | Conversion of Objects of 'tind' Class
tind-methods | Basic Methods for 'tind' Class
tind-other | Conversion between 'tind' and Other Time Index Representations
tinterval | Time Intervals
ti_type | Get Time Index Type
ti_type.Date | Get Time Index Type
ti_type.POSIXt | Get Time Index Type
ti_type.tind | Get Time Index Type
today | Current Date and Time
trunc_t | Rounding Time Indices
tspan | Determine Time Span of Time Indices and Time Intervals
tspan.default | Determine Time Span of Time Indices and Time Intervals
tspan.tind | Determine Time Span of Time Indices and Time Intervals
tspan.tinterval | Determine Time Span of Time Indices and Time Intervals
tzone | Read or Set Time Zone for Date-Time Indices
tzone.POSIXct | Read or Set Time Zone for Date-Time Indices
tzone.POSIXlt | Read or Set Time Zone for Date-Time Indices
tzone.tind | Read or Set Time Zone for Date-Time Indices
tzone.tinterval | Read or Set Time Zone for Date-Time Indices
tzone<- | Read or Set Time Zone for Date-Time Indices
tzone<-.POSIXct | Read or Set Time Zone for Date-Time Indices
tzone<-.POSIXlt | Read or Set Time Zone for Date-Time Indices
tzone<-.tind | Read or Set Time Zone for Date-Time Indices
tzone<-.tinterval | Read or Set Time Zone for Date-Time Indices
t_unit | Get Time Unit
t_unit.difftime | Get Time Unit
t_unit.tdiff | Get Time Unit

## -- U --

union_t | Set Operations on Time Intervals and Time Indices
unique.tdiff | Time Differences
unique.tind | Basic Methods for 'tind' Class
unique.tinterval | Set Operations on Time Intervals and Time Indices
units.tdiff | Get Time Unit

## -- W --

week | Time Index Components (Years, Months, Days, ...)
weekdays.tind | Time Index Components (Years, Months, Days, ...)
weekday_names | Calendar Names
weeks | Time Differences
weeks_in_year | Time Index Properties (Leap Years, Period Lengths, DST)

## -- Y --

year | Time Index Components (Years, Months, Days, ...)
years | Time Differences
year_frac | Converting Time Indices to Year Fractions and Back
yf2tind | Converting Time Indices to Year Fractions and Back

## -- misc --

! | Operations Involving Time Indices, Time Differences, and Time Intervals
!.tinterval | Set Operations on Time Intervals and Time Indices
!= | Operations Involving Time Indices, Time Differences, and Time Intervals
%% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+d% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+h% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+m% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+min% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+q% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+s% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+w% | Operations Involving Time Indices, Time Differences, and Time Intervals
%+y% | Operations Involving Time Indices, Time Differences, and Time Intervals
%--% | Time Intervals
%-d% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-h% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-m% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-min% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-q% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-s% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-w% | Operations Involving Time Indices, Time Differences, and Time Intervals
%-y% | Operations Involving Time Indices, Time Differences, and Time Intervals
%/% | Operations Involving Time Indices, Time Differences, and Time Intervals
%in_t% | Matching Time Indices
* | Operations Involving Time Indices, Time Differences, and Time Intervals
+ | Operations Involving Time Indices, Time Differences, and Time Intervals
- | Operations Involving Time Indices, Time Differences, and Time Intervals
/ | Operations Involving Time Indices, Time Differences, and Time Intervals
< | Operations Involving Time Indices, Time Differences, and Time Intervals
<= | Operations Involving Time Indices, Time Differences, and Time Intervals
== | Operations Involving Time Indices, Time Differences, and Time Intervals
> | Operations Involving Time Indices, Time Differences, and Time Intervals
>= | Operations Involving Time Indices, Time Differences, and Time Intervals
[.tdiff | Time Differences
[.tind | Basic Methods for 'tind' Class
[.tinterval | Time Intervals
[<-.tdiff | Time Differences
[<-.tind | Basic Methods for 'tind' Class
[<-.tinterval | Time Intervals
[[.tdiff | Time Differences
[[.tind | Basic Methods for 'tind' Class
[[.tinterval | Time Intervals
[[<-.tdiff | Time Differences
[[<-.tind | Basic Methods for 'tind' Class
[[<-.tinterval | Time Intervals