| addFactorVariables | Create factor variables from data dictionary | 
| checkData | Check the entered data against the data dictionary | 
| createCalculated | Create calculated variables | 
| createCategorisedVar | Create categories from continuous data | 
| createCombinedVar | Create a combined variable from several dichotomous variables | 
| createRecodedVar | Create survival variables (survival duration + status) | 
| createSurvVar | Create survival variables (survival duration + status) | 
| importCodes | Return A data frame of codes | 
| importExcelData | Import Excel Data based on the specifications in a data dictionary | 
| plotVariables | Return a list of univariate ggplots for each non-character variable | 
| readDataDict | Read in the data dictionary | 
| readExcelData | Read Excel Data |