Package index • dttr2

Add Units

Add time units

dtt_add_units() dtt_add_years() dtt_add_months() dtt_add_days() dtt_add_hours() dtt_add_minutes() dtt_add_seconds(): Add Time Units

dtt_date_add_time(): Add Time to Date

Complete Date/Time

Complete and test completed date/time vectors

dtt_complete(): Complete

dtt_completed(): Completed

Floor Vectors

Coerce and test floored date/time vectors

dtt_date() `dtt_date<-`() dtt_set_date(): Floor Date

dtt_date_time(): Floor Date/Time

dtt_floor(): Floor Date/Time

dtt_floored(): Test Floored

dtt_set_time() dtt_time() `dtt_time<-`(): Floor Time

Get Decimal Date/Time

Get decimal values for date/time vectors

dtt_minute_decimal(): Get Decimal Minute Values

dtt_hour_decimal(): Get Decimal Hour Values

dtt_day_decimal(): Get Decimal Day Values

dtt_month_decimal(): Get Decimal Month Values

dtt_year_decimal(): Get Decimal Year Values

dtt_doy_decimal(): Day of the Year Decimal

Get and Set

Get and set values for date/time vectors

dtt_years() `dtt_years<-`() dtt_set_year() dtt_year() `dtt_year<-`(): Get and Set Year Values

dtt_months() `dtt_months<-`() dtt_month() `dtt_month<-`() dtt_set_month(): Get and Set Month Values

dtt_day() `dtt_day<-`() dtt_days() `dtt_days<-`() dtt_set_day(): Get and Set Day Values

dtt_hours() `dtt_hours<-`() dtt_hour() `dtt_hour<-`() dtt_set_hour(): Get and Set Hour Values

dtt_minutes() `dtt_minutes<-`() dtt_minute() `dtt_minute<-`() dtt_set_minute(): Get and Set Minute Values

dtt_seconds() `dtt_seconds<-`() dtt_second() `dtt_second<-`() dtt_set_second(): Get and Set Second Values

Get, Set or Adjust Time Zone

Get, set or reset default time

dtt_tz(): Get, Set or Adjust Time Zone

dtt_adjust_tz(): Adjust Time Zone

dtt_sys_tz() dtt_set_sys_tz() dtt_reset_sys_tz() dtt_default_tz() dtt_set_default_tz() dtt_reset_default_tz(): Get, Set or Reset Default Time Zone

dtt_set_tz(): Set Time Zone

Get System Date/Time

Get system date/time

dtt_sys_date(): Get System Date

dtt_sys_date_time(): Get System Date Time

dtt_sys_time(): Get System Time

Get Units

Get and adjust units

dtt_adjust_units(): Adjust Units

dtt_units(): Get Units

dtt_units_per_unit(): Units per Unit

Leap Year

Convert and test leap years

dtt_feb29_to_28(): Convert Feb 29 to Feb 28

dtt_leap_year(): Test for Leap Year

Set Days/Dayte

Set days in month/year

dtt_dayte(): Dayte

dtt_dayte_time(): Dayte Time

dtt_daytt(): Dayte Time

dtt_days_in_month(): Days in the Month

dtt_days_in_year(): Days in the Year

dtt_doy_to_date(): Day of the Year to Date

dtt_doy(): Day of the Year

Subtract Units

Subtract time units

dtt_subtract_units() dtt_subtract_years() dtt_subtract_months() dtt_subtract_days() dtt_subtract_hours() dtt_subtract_minutes() dtt_subtract_seconds(): Subtract Time Units

Check Time

Check time/time zone

check_tz(): Check Time Zone

chk_time(): Check Time

Test Date/Time Object

Test if object is a date/time vector

dtt_is_date(): Is Date

dtt_is_date_time(): Is Date Time

dtt_is_dtt(): Is Date or DateTime Object

is.POSIXct() is_date_time() is.Date() is_date() is.hms() is_time(): Is Date/Time

Missing Date/Time

Missing date/time

NA_Date_: Missing Date

NA_hms_: Missing hms

NA_POSIXct_: Missing POSIXct

Other Date/Time Components

Miscellaneous

dtt: dtt Object

dtt_aggregate(): Aggregate Date/Time

dtt_decade(): Decade

dtt_diff(): Time Difference

dtt_excel_to_date(): Convert Excel dates to dates.

dtt_excel_to_date_time(): Convert Excel date times to date times.

dtt_season(): Season

dtt_study_year(): Study Year

dtt_wday(): Get Week Day

dtt_seq(): Sequence

dtt_wrap(): Wrap

vld_time(): Validate Time

dtt_date_from_ints(): Create Dates from Integers

dtt_time_from_ints(): Create Time from Vectors

dtt_date_time_from_ints(): Create Date Times from Integers