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Open Refine: Clean your messy data

Open Refine: Clean your messy data. Valrie Minson Outreach Librarian for Agricultural Sciences. OpenRefine. OpenRefine.org ( Google Refine) Open Source Runs locally on computer (privacy) Looks like Excel or Google Spreadsheets Data: clean it, transform it, extend it !.

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Open Refine: Clean your messy data

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  1. Open Refine:Clean your messy data Valrie Minson Outreach Librarian for Agricultural Sciences

  2. OpenRefine • OpenRefine.org(Google Refine) • Open Source • Runs locally on computer (privacy) • Looks like Excel or Google Spreadsheets • Data: clean it, transform it, extend it!

  3. Excel: my messy data

  4. Data issues • Human/free-text errors • Inconsistent journal titles • Redundant citations • Data (volume/issue) in wrong fields • ARTICLES IN CAPS LOCK

  5. Data in Open Refine

  6. Use filters to edit data

  7. Faceted: journal titles by count

  8. Filtering/faceting • Use filters or facets to select subsets of data • Journal of Agriculture • Journ of Agriculture • Journla of Agriculture • Agriculture, Journal of • Not just for Messy data

  9. OpenRefine Expression Language (GREL) • Transform list into table (create columns) • Merge datasets • Export into Excel, CSV, OpenOffice, Google Spreadsheets, JSON, RDF, etc. • Use with other systems (Excel, SPSS, etc.) • Great videos

  10. OpenRefine.org Valrie Minson vdavis@ufl.edu

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