%y+%                    Add/Subtract Year
Ops.date_xx             Comparison Operators for date_xx
Summary.date_xx         Maxima and Minima for date_xx
[.date_xx               Extract or Replace Elements of a date_xx
as.Date.date_xx         Coerce dint Objects to Base R Date Types
as_yearqtr              Coerce to zoo yearqtr objects
c.date_xx               Concatenate date_xx Objects
date_xx                 A Superclass For All dint Objects
date_xx_arithmetic      date_xx Arithmetic Operations
date_xx_arithmetic_disabled
                        Arithmetic Operations Disabled for date_xx
date_xx_breaks          Pretty Breaks For date_xx Vectors
date_xx_sequences       date_xx Sequence Generation
date_y                  A Simple S3-Class for Years
date_ym                 A Simple S3-Class for Year-Month Dates
date_yq                 A Simple S3-Class for Year-Quarter Dates
date_yw                 A Simple S3-Class for Year-Isoweek Dates
first_of_isoweek        Get First / Last Day of an Isoweek
first_of_isoyear        Get First / Last Day of the First and Last
                        Isoweek of a Year
first_of_month          Get First / Last Day of a Month
first_of_quarter        Get First / Last Day of a Quarter
first_of_year           Get First / Last Day of a Year
first_of_yq             Get First or Last Day of Quarter From Year and
                        Quarter
format_date_xx          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
get_year                Get Year, Quarter, Month or Isoweek
increment               Increment date_xx objects
is_quarter_bounds       Useful Predicates for Dates
print.date_xx           Print a date_xx Object
rep.date_xx             Replicate Elements of date_xx Vectors
round.date_yq           Rounding of date_xx
scale_date_xx           ggplot2 Scales For date_xx Objects
year.date_xx            Get Year, Quarter or Month (lubridate
                        Compatibility)
yq                      Parse Dates With Year and Quarter Components
