R: Manipulate Date, POSIXct and hms Vectors

# Manipulate Date, POSIXct and hms Vectors

## Documentation for package ‘dttr2’ version 0.5.0

- DESCRIPTION file.
- Package NEWS.

## Help Pages

C D I N V

## -- C --

check_tz | Check Time Zone
chk_time | Check Time

## -- D --

dtt | dtt Object
dtt_add_days | Add Time Units
dtt_add_hours | Add Time Units
dtt_add_minutes | Add Time Units
dtt_add_months | Add Time Units
dtt_add_seconds | Add Time Units
dtt_add_units | Add Time Units
dtt_add_years | Add Time Units
dtt_adjust_tz | Adjust Time Zone
dtt_adjust_tz.POSIXct | Adjust Time Zone
dtt_adjust_units | Adjust Units
dtt_aggregate | Aggregate Date/Time
dtt_aggregate.Date | Aggregate Date/Time
dtt_aggregate.hms | Aggregate Date/Time
dtt_aggregate.POSIXct | Aggregate Date/Time
dtt_complete | Complete
dtt_complete.Date | Complete
dtt_complete.hms | Complete
dtt_complete.POSIXct | Complete
dtt_completed | Completed
dtt_completed.Date | Completed
dtt_completed.hms | Completed
dtt_completed.POSIXct | Completed
dtt_date | Floor Date
dtt_date.character | Floor Date
dtt_date.Date | Floor Date
dtt_date.double | Floor Date
dtt_date.hms | Floor Date
dtt_date.integer | Floor Date
dtt_date.POSIXct | Floor Date
dtt_date<- | Floor Date
dtt_date<-.Date | Floor Date
dtt_date<-.POSIXct | Floor Date
dtt_date_add_time | Add Time to Date
dtt_date_from_ints | Create Dates from Integers
dtt_date_time | Floor Date/Time
dtt_date_time.character | Floor Date/Time
dtt_date_time.Date | Floor Date/Time
dtt_date_time.double | Floor Date/Time
dtt_date_time.hms | Floor Date/Time
dtt_date_time.integer | Floor Date/Time
dtt_date_time.POSIXct | Floor Date/Time
dtt_date_time_from_ints | Create Date Times from Integers
dtt_day | Get and Set Day Values
dtt_day.Date | Get and Set Day Values
dtt_day.POSIXct | Get and Set Day Values
dtt_day<- | Get and Set Day Values
dtt_day<-.Date | Get and Set Day Values
dtt_day<-.POSIXct | Get and Set Day Values
dtt_days | Get and Set Day Values
dtt_days<- | Get and Set Day Values
dtt_days_in_month | Days in the Month
dtt_days_in_year | Days in the Year
dtt_dayte | Dayte
dtt_dayte.Date | Dayte
dtt_dayte.POSIXct | Dayte
dtt_dayte_time | Dayte Time
dtt_dayte_time.Date | Dayte Time
dtt_dayte_time.POSIXct | Dayte Time
dtt_daytt | Dayte Time
dtt_day_decimal | Get Decimal Day Values
dtt_day_decimal.Date | Get Decimal Day Values
dtt_day_decimal.POSIXct | Get Decimal Day Values
dtt_decade | Decade
dtt_decade.Date | Decade
dtt_default_tz | Get, Set or Reset Default Time Zone
dtt_diff | Time Difference
dtt_doy | Day of the Year
dtt_doy_decimal | Day of the Year Decimal
dtt_doy_to_date | Day of the Year to Date
dtt_excel_to_date | Convert Excel dates to dates.
dtt_excel_to_date_time | Convert Excel date times to date times.
dtt_feb29_to_28 | Convert Feb 29 to Feb 28
dtt_floor | Floor Date/Time
dtt_floor.Date | Floor Date/Time
dtt_floor.hms | Floor Date/Time
dtt_floor.POSIXct | Floor Date/Time
dtt_floored | Test Floored
dtt_floored.Date | Test Floored
dtt_floored.hms | Test Floored
dtt_floored.POSIXct | Test Floored
dtt_hour | Get and Set Hour Values
dtt_hour.Date | Get and Set Hour Values
dtt_hour.hms | Get and Set Hour Values
dtt_hour.POSIXct | Get and Set Hour Values
dtt_hour<- | Get and Set Hour Values
dtt_hour<-.hms | Get and Set Hour Values
dtt_hour<-.POSIXct | Get and Set Hour Values
dtt_hours | Get and Set Hour Values
dtt_hours<- | Get and Set Hour Values
dtt_hour_decimal | Get Decimal Hour Values
dtt_hour_decimal.Date | Get Decimal Hour Values
dtt_hour_decimal.hms | Get Decimal Hour Values
dtt_hour_decimal.POSIXct | Get Decimal Hour Values
dtt_is_date | Is Date
dtt_is_date_time | Is Date Time
dtt_is_dtt | Is Date or DateTime Object
dtt_leap_year | Test for Leap Year
dtt_minute | Get and Set Minute Values
dtt_minute.Date | Get and Set Minute Values
dtt_minute.hms | Get and Set Minute Values
dtt_minute.POSIXct | Get and Set Minute Values
dtt_minute<- | Get and Set Minute Values
dtt_minute<-.hms | Get and Set Minute Values
dtt_minute<-.POSIXct | Get and Set Minute Values
dtt_minutes | Get and Set Minute Values
dtt_minutes<- | Get and Set Minute Values
dtt_minute_decimal | Get Decimal Minute Values
dtt_minute_decimal.Date | Get Decimal Minute Values
dtt_minute_decimal.hms | Get Decimal Minute Values
dtt_minute_decimal.POSIXct | Get Decimal Minute Values
dtt_month | Get and Set Month Values
dtt_month.Date | Get and Set Month Values
dtt_month.POSIXct | Get and Set Month Values
dtt_month<- | Get and Set Month Values
dtt_month<-.Date | Get and Set Month Values
dtt_month<-.POSIXct | Get and Set Month Values
dtt_months | Get and Set Month Values
dtt_months<- | Get and Set Month Values
dtt_month_decimal | Get Decimal Month Values
dtt_month_decimal.Date | Get Decimal Month Values
dtt_month_decimal.POSIXct | Get Decimal Month Values
dtt_reset_default_tz | Get, Set or Reset Default Time Zone
dtt_reset_sys_tz | Get, Set or Reset Default Time Zone
dtt_season | Season
dtt_second | Get and Set Second Values
dtt_second.Date | Get and Set Second Values
dtt_second.hms | Get and Set Second Values
dtt_second.POSIXct | Get and Set Second Values
dtt_second<- | Get and Set Second Values
dtt_second<-.hms | Get and Set Second Values
dtt_second<-.POSIXct | Get and Set Second Values
dtt_seconds | Get and Set Second Values
dtt_seconds<- | Get and Set Second Values
dtt_seq | Sequence
dtt_seq.Date | Sequence
dtt_seq.hms | Sequence
dtt_seq.POSIXct | Sequence
dtt_set_date | Floor Date
dtt_set_day | Get and Set Day Values
dtt_set_default_tz | Get, Set or Reset Default Time Zone
dtt_set_hour | Get and Set Hour Values
dtt_set_minute | Get and Set Minute Values
dtt_set_month | Get and Set Month Values
dtt_set_second | Get and Set Second Values
dtt_set_sys_tz | Get, Set or Reset Default Time Zone
dtt_set_time | Floor Time
dtt_set_tz | Set Time Zone
dtt_set_tz.POSIXct | Set Time Zone
dtt_set_year | Get and Set Year Values
dtt_study_year | Study Year
dtt_subtract_days | Subtract Time Units
dtt_subtract_hours | Subtract Time Units
dtt_subtract_minutes | Subtract Time Units
dtt_subtract_months | Subtract Time Units
dtt_subtract_seconds | Subtract Time Units
dtt_subtract_units | Subtract Time Units
dtt_subtract_years | Subtract Time Units
dtt_sys_date | Get System Date
dtt_sys_date_time | Get System Date Time
dtt_sys_time | Get System Time
dtt_sys_tz | Get, Set or Reset Default Time Zone
dtt_time | Floor Time
dtt_time.character | Floor Time
dtt_time.Date | Floor Time
dtt_time.double | Floor Time
dtt_time.hms | Floor Time
dtt_time.integer | Floor Time
dtt_time.POSIXct | Floor Time
dtt_time.POSIXlt | Floor Time
dtt_time<- | Floor Time
dtt_time<-.Date | Floor Time
dtt_time<-.POSIXct | Floor Time
dtt_time_from_ints | Create Time from Vectors
dtt_tz | Get, Set or Adjust Time Zone
dtt_tz.POSIXct | Get, Set or Adjust Time Zone
dtt_units | Get Units
dtt_units.Date | Get Units
dtt_units.hms | Get Units
dtt_units.POSIXct | Get Units
dtt_units_per_unit | Units per Unit
dtt_wday | Get Week Day
dtt_wday.default | Get Week Day
dtt_wrap | Wrap
dtt_year | Get and Set Year Values
dtt_year.Date | Get and Set Year Values
dtt_year.POSIXct | Get and Set Year Values
dtt_year<- | Get and Set Year Values
dtt_year<-.Date | Get and Set Year Values
dtt_year<-.POSIXct | Get and Set Year Values
dtt_years | Get and Set Year Values
dtt_years<- | Get and Set Year Values
dtt_year_decimal | Get Decimal Year Values
dtt_year_decimal.Date | Get Decimal Year Values
dtt_year_decimal.POSIXct | Get Decimal Year Values

## -- I --

is.Date | Is Date/Time
is.hms | Is Date/Time
is.POSIXct | Is Date/Time
is_date | Is Date/Time
is_date_time | Is Date/Time
is_time | Is Date/Time

## -- N --

NA_Date_ | Missing Date
NA_hms_ | Missing hms
NA_POSIXct_ | Missing POSIXct

## -- V --

vld_time | Validate Time