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Introduction to data cleaning with OpenRefine

Follow along and interact with the slides below if you want:

Watch the session on YouTube.

Key points from slides:

  • Data Cleaning: Manually or programatically improving the quality of your data.
  • Major issues addressed are:
    • Inconsistencies
    • Formatting
    • Null Values
  • The major benefits of having clean data includes:
    • More efficient research
    • Easier conversion
    • Secondary use
  • OpenRefine is an open-source desktop solution for data cleaning. It straddles the line between manual and automated and is great for beginners and more advanced users alike.
  • Many visualization tools can be found linked from the data visualization subject guide.