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and state) and also help verify that street addresses within these zip codes actually exist.
* Completeness: The degree to which all required measures are known. Incompleteness is almost impossible to fix with data cleansing methodology: one cannot infer facts that were not captured when the data in question was initially recorded. (In some contexts, e.g., interview data, it may be possible to fix incompleteness by going back to the original source of data, i.e. re-interviewing the subject, but even this does not guarantee success

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