| convert | Converts a dataset from one statistical software to another | 
| DDIwR_package | Useful functions for various DDI (Data Documentation Initiative) related outputs. | 
| exportDDI | Export to a DDI metadata file | 
| getMetadata | Extract metadata information | 
| recodeCharcat | Recode character categorical variables | 
| recodeMissings | Consistent recoding of (extended) missing values | 
| setupfile | Create setup files for SPSS, Stata, SAS and R |