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Essential Spreadsheet Data Cleaning with OpenRefine

This guide accompanies the Galter Health Sciences Library class of the same name, or can be used on its own to learn a few essential data cleaning functions of the open source application OpenRefine.

Install the RDF Extension

Steps to Install the RDF Extension

Screenshot showing the Extensions page on the OpenRefine website

  • On the RDF extension GitHub page, download the latest release of the extension: RDF Extension v1.4.0
  • Navigate to the folder on your machine where you have stored your downloaded OpenRefine files
  • Navigate to the folder openrefine-3.7.7/webapp/extensions
  • In extensions, create a new folder titled rdf-extension

Screenshot showing the subfolder that must be created for the RDF extension

  • Find your downloaded RDF extension zip file. Click to Extract All, and when asked for a destination folder navigate to the new rdf-extension folder you created in your OpenRefine extensions. Extract to this location.

Screenshot showing the location of the downloaded RDF extension

  • Close the OpenRefine application and re-start it to load the new extension.
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