OpenRefine — очистка и нормализация табличных данных

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OpenRefine is a powerful tool for cleaning up and tidying messy data. Reach for it when you have a table with untidy data that needs cleaning before analysis or loading: find and fix inconsistent values and typos, group similar records (clustering), bulk-transform columns, parse and normalize formats, and enrich data from external sources — with an operation history you can undo and replay. It runs locally in the browser, and data doesn't leave. Its focus is interactive cleaning, normalization, and transformation of tabular data, not BI analytics (Metabase) or editing large CSVs (Tablecruncher): the value is bringing real messy data into a clean, consistent form. It suits analysts, researchers, and anyone who regularly has to clean and organize data before working with it.