| timeperiodsR-package | Simple Definition Of Time Intervals |
| %.in% | Operators of tpr objects. |
| %left_in% | Operators of tpr objects. |
| %left_out% | Operators of tpr objects. |
| %right_in% | Operators of tpr objects. |
| %right_out% | Operators of tpr objects. |
| as_timeperiod | Convert date or string vector to timeperiod. |
| check_dayoffs | Check if the day is an official day off |
| custom_period | Custopm period |
| first_weekend | Get first weekend day in period. |
| first_workday | Get first workday day in period. |
| last_n_days | Start and end of last n days |
| last_n_months | Start and end of last n months |
| last_n_quarters | Start and end of last n quarters |
| last_n_weeks | Start and end of last n weeks |
| last_n_years | Start and end of last n years |
| last_weekend | Get last weekend day in period. |
| last_workday | Get last workday day in period. |
| next_month | Start and end of next month |
| next_n_days | Start and end of next n days |
| next_n_months | Start and end of next n months |
| next_n_quarters | Start and end of next n quarters |
| next_n_weeks | Start and end of next n weeks |
| next_n_years | Start and end of next n weeks |
| next_quarter | Start and end of next quarter |
| next_week | Start and end of next week |
| next_year | Start and end of next year |
| previous_month | Start and end of previous month |
| previous_quarter | Start and end of previous quarter |
| previous_week | Start and end of previous week |
| previous_year | Start and end of previous year |
| this_month | Start and end of month |
| this_quarter | Start and end of quarter |
| this_week | Start and end of week |
| this_year | Start and end of year |
| timeperiodsR | Simple Definition Of Time Intervals |
| weekends | Get vector with weekends. |
| weekends_length | Number of weekdends days in the period. |
| workdays | Get vector with workdays. |
| workdays_length | Number of workdays in the period. |