| add_visit_count | Add a visit counter to the raw data file. |
| average_variables | Average variables that have two or more measurements. |
| combine_datasets | Combine multiple datasets together into one, merged dataset.... |
| convert_to_date | Convert a date variable into another format (e.g. ISO... |
| drop_empty_rows | Drops rows that are completely empty (excluding SID, etc). |
| drop_na_variables | Drop the variables named 'NA' from the raw dataset. |
| export_data | Export a dataset into another format (Rds, csv, or as a... |
| extract_vn | Extract the VN information from the Visit column (e.g. that... |
| fix_date | Fix with with any date variable. |
| import_csv | General function; import raw csv datafile into R. |
| import_csv_multiple | General function; imports multiple raw data files based on a... |
| join_data_list | Merge together a list of dataframes by SID into a single... |
| multiple_files | Get a vector of files with the full path for a given regular... |
| reexports | Objects exported from other packages |
| rename_variables | Rename the raw dataset variable names based on the yaml... |
| scr_duplicates | Fix any duplicates by dropping them. |
| spread_over_visits | Spread a variable values from one visit date to the next. |
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