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Introduction
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OpenRefine is a powerful, free and open source tool that can be used for data cleaning.
OpenRefine will automatically track any steps you take in working with your data.
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Working with OpenRefine
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Removing leading and trailing whitespace from data can make for easier searching and sorting.
Parsing data using regular expressions, which can be simple or complex, can remove unwanted text quickly.
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Faceting and filtering
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You can use facets and filters to explore your data
You can use facets and filters work with a subset of data in OpenRefine
You can easily correct common data issues from a Facet
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Scripts from OpenRefine
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Exporting and Saving Data from OpenRefine
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Cleaned data or entire projects can be exported from OpenRefine.
Projects can be shared with collaborators, enabling them to see, reproduce and check all data cleaning steps you performed.
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Other Resources in OpenRefine
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