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1DerivedRecoded or computed variable
2ImputedVariable where previously missing values replaced ny imputed values
3Missing value codesVariables that contain detailed coding of missing values. WP1 and WP2 will be producing these
4Weighting/grossing factorVariable used to adjust for biases/scale to population
5RawVariable in its original state/as received from fieldwork agency. E.g., a variable that maps directly to a question
6CodedVariable where values are taken from a standard code. E.g., ICD, SOC)
7HarmonisedVariable that is identical or functionally equivalent to others in a set. E.g., those variables produced by the WPs)
8Open-ended valuesVariable holding string/verbatim responses, probably to a survey question with an 'Other' code
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