| .stretch_re | Use time warping to reduce the number of observations in a month | 
| sim_calendar | Simulate calendar effects | 
| sim_daily | Simulate a daily seasonal series | 
| sim_daily_hs | Simulate a daily time series based on the HS model | 
| sim_daily_mstl | Daily time series simulation for the MSTL-algorithm | 
| sim_monthly | Simulate a monthly seasonal series | 
| sim_monthly_hs | Simulate a monthly time series based on the HS model | 
| sim_monthly_mstl | Monthly time series simulation for the MSTL-algorithm | 
| sim_outlier | Simulate an outlier | 
| sim_sfac | Simulate a seasonal factor |