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DATA-CLEANING5 MIN READ

The CLEAN Quick Check

Recall a fast five-part check before editing data.

CLEAN What does CLEAN remind you to check? C: Context | L: Lineage | E: Evidence | A: Action | N: Next control Which part stops cosmetic cleaning? Context: the decision defines what clean means. Without context, teams optimize appearance instead of usefulness. Raw overwrite or derived clean field? Use derived fields unless the source system itself owns the correction. “Just fix the blanks.” I can, after we identify whether blank means unknown, not applicable, or missing from source. Filling blanks before meaning is known creates fake information. It accepts urgency while protecting meaning.

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