addFactorVariables	addFactorVariables
checkData	checkData
createCalculated	createCalculated
createCategorisedVar	createCategorisedVar
createCombinedVar	createCombinedVar
createRecodedVar	createRecodedVar
createSurvVar	createSurvVar
importCodes	importCodes
importExcelData	importExcelData
plotVariables	plotVariables
readDataDict	readDataDict
readExcelData	readExcelData
