Function reference • dint

Coercion and Constructors
`date_xx()` `make_date_xx()` `is_date_xx()`	A Superclass For All dint Objects
`date_y()` `is_date_y()` `as_date_y()`	A Simple S3-Class for Years
`date_ym()` `is_date_ym()` `as_date_ym()`	A Simple S3-Class for Year-Month Dates
`date_yq()` `is_date_yq()` `as_date_yq()`	A Simple S3-Class for Year-Quarter Dates
`date_yw()` `is_date_yw()` `as_date_yw()`	A Simple S3-Class for Year-Isoweek Dates
`as.POSIXlt(<date_xx>)` `as.POSIXct(<date_xx>)` `Sys.date_yq()` `Sys.date_ym()` `Sys.date_yw()` `as.Date(<date_y>)` `as.Date(<date_ym>)` `as.Date(<date_yq>)` `as.Date(<date_yw>)`	Coerce dint Objects to Base R Date Types
`first_of_isoweek()` `last_of_isoweek()` `first_of_yw()` `last_of_yw()`	Get First / Last Day of an Isoweek
`first_of_isoyear()` `last_of_isoyear()`	Get First / Last Day of the First and Last Isoweek of a Year
`first_of_month()` `last_of_month()` `first_of_ym()` `last_of_ym()`	Get First / Last Day of a Month
`first_of_quarter()` `last_of_quarter()`	Get First / Last Day of a Quarter
`first_of_year()` `last_of_year()`	Get First / Last Day of a Year
`first_of_yq()` `last_of_yq()`	Get First or Last Day of Quarter From Year and Quarter
`get_year()` `get_quarter()` `get_month()` `get_isoweek()` `get_isoyear()`	Get Year, Quarter, Month or Isoweek
`year.date_xx()` `month.date_xx()` `isoweek.date_xx()`	Get Year, Quarter or Month (lubridate Compatibility)
`as_yearqtr()` `as_yearmon()` `as_yearweek()`	Coerce to zoo yearqtr objects
Formatting & Scales
`format(<date_y>)` `format(<date_yq>)` `format(<date_ym>)` `format(<date_yw>)` `format_yq_iso()` `format_yq_short()` `format_yq_shorter()` `format_ym_iso()` `format_ym_short()` `format_ym_shorter()` `format_yw_iso()` `format_yw_short()` `format_yw_shorter()`	Format a date_xx
`format_ym()`	Coerce and Format to Year-Month Strings
`format_yq()`	Coerce and Format to Year-Quarter Strings
`format_yw()`	Coerce and Format to Year-Isoweek Strings
`scale_x_date_yq()` `scale_y_date_yq()` `scale_x_date_ym()` `scale_y_date_ym()` `scale_x_date_yw()` `scale_y_date_yw()`	ggplot2 Scales For date_xx Objects
`date_yq_breaks()` `date_ym_breaks()` `date_yw_breaks()`	Pretty Breaks For date_xx Vectors
Arithmethics and Sequences
`+`(<date_xx>) `-`(<date_xx>)	date_xx Arithmetic Operations
`seq(<date_yw>)` `seq(<date_yq>)` `seq(<date_ym>)`	date_xx Sequence Generation
`round(<date_yq>)` `round(<date_ym>)` `round(<date_yw>)` `ceiling(<date_xx>)` `floor(<date_xx>)`	Rounding of date_xx
`%y+%` `%y-%`	Add/Subtract Year
Methods for Base R Generics
`Ops(<date_xx>)`	Comparison Operators for date_xx
`Summary(<date_xx>)`	Maxima and Minima for date_xx
`[`(<date_xx>) `[<-`(<date_yq>) `[<-`(<date_ym>) `[<-`(<date_yw>) `[[`(<date_xx>) `[[<-`(<date_yq>) `[[<-`(<date_ym>) `[[<-`(<date_yw>)	Extract or Replace Elements of a date_xx
`c(<date_xx>)`	Concatenate date_xx Objects
`print(<date_xx>)`	Print a date_xx Object
`rep(<date_xx>)`	Replicate Elements of date_xx Vectors
Misc
`is_quarter_bounds()` `is_first_of_quarter()` `is_last_of_quarter()` `is_year_bounds()` `is_first_of_year()` `is_last_of_year()` `is_Date()` `is_POSIXlt()`	Useful Predicates for Dates
`*`(<date_xx>) `/`(<date_xx>) `^`(<date_xx>) `%%`(<date_xx>) `%/%`(<date_xx>) `%%`(<date_y>) `%/%`(<date_y>)	Arithmetic Operations Disabled for date_xx
`yq()` `qy()` `ym()` `my()`	Parse Dates With Year and Quarter Components

Reference

Coercion and Constructors

Formatting & Scales

Arithmethics and Sequences

Methods for Base R Generics

Misc