| add_forecast_dates | Add NA values to the tail of a wide data.table |
| agg_to_freq | Aggregate long format data.table |
| agg_to_freq_wide | Aggregate data.table and return wide format |
| allNA | Are all elements 'NA'? |
| all_finite | Rows with only finite values |
| any_finite | Rows with finite values |
| can_seasonal | Can data be seasonally adjusted? |
| col_to_list | Convert columns to list |
| comp_form | Companion Form |
| count_obs | Count observations |
| day | Return the day of a Date value |
| Diff | Difference data |
| end_of_period | End of period date |
| end_of_year | End of Year |
| extract_basic_character | Extract characters |
| extract_character | Extract character values |
| extract_numeric | Extract numeric values |
| fill_forward | Fill Forward |
| first_of_month | First of month |
| first_of_quarter | First of Quarter |
| first_previous_quarter | First of previous quarter date |
| fred | Sample mixed frequency data from FRED |
| fredlib | Library of metadata for mixed frequency dataset 'fred' |
| get_data_frq | Get frequency of data based on missing observations |
| get_from_list | Get from list |
| index_by_friday | Find the Friday in a given week |
| is_in | Find element of this_in that |
| last_in_month | Last date in the month |
| last_in_quarter | Last date in the week |
| last_in_week | Last date in the week |
| last_in_year | Last date in the year |
| last_obs | Last observation |
| limit_character | Limit Characters |
| long_run_var | Long Run Variance of a VAR |
| match_index | Match index values |
| match_ts_dates | Match dates between two timeseries |
| mean_na | Return the mean |
| month_days | Number of days in a given month |
| number_finite | Number of finite values in a column |
| numdum | Dummies for Numeric Data |
| pct_chng | Percent change |
| pct_response | Percent of responses at a given frequency |
| process | Process Data |
| process_MF | Process mixed frequency |
| process_wide | Process Wide Format Data |
| rollmax | Rolling Max |
| rollmean | Rolling mean |
| rollmin | Rolling Min |
| row_to_list | Convert rows to list |
| run_sa | Seasonally adjust data using seas() |
| sd_na | Return the standard deviation |
| seas_df_long | Seasonally adjust long format data using seas() |
| seas_df_wide | Seasonally adjust wide format data using seas() |
| spline_fill | Spline fill missing observations |
| spline_fill_trend | Spline fill missing observations |
| stack_obs | Stack time series observations in VAR format |
| sum_na | Return the sum |
| total_response | Number of of responses at a given frequency |
| to_ts | Tabular data to ts() format |
| try_detrend | Remove low frequency trends from data |
| try_sa | Seasonally adjust data using seas() |
| try_trend | Estimate low frequnecy trends |
| ts_to_df | ts() data to a dataframe |